pullulanase [Streptococcus oralis]
Protein Classification
List of domain hits
| Name | Accession | Description | Interval | E-value | |||||||||||||||
| pullulan_Gpos super family | cl37054 | pullulanase, extracellular, Gram-positive; Pullulan is an unusual, industrially important ... |
144-1236 | 0e+00 | |||||||||||||||
pullulanase, extracellular, Gram-positive; Pullulan is an unusual, industrially important polysaccharide in which short alpha-1,4 chains (maltotriose) are connected in alpha-1,6 linkages. Enzymes that cleave alpha-1,6 linkages in pullulan and release maltotriose are called pullulanases although pullulan itself may not be the natural substrate. In contrast, a glycogen debranching enzyme such GlgX, homologous to this family, can release glucose at alpha,1-6 linkages from glycogen first subjected to limit degradation by phosphorylase. Characterized members of this family include a surface-located pullulanase from Streptococcus pneumoniae () and an extracellular bifunctional amylase/pullulanase with C-terminal pullulanase activity (. The actual alignment was detected with superfamily member TIGR02102: Pssm-ID: 273973 [Multi-domain] Cd Length: 1111 Bit Score: 1870.31 E-value: 0e+00
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| Metaviral_G super family | cl26626 | Metaviral_G glycoprotein; This is a viral attachment glycoprotein from region G of metaviruses. ... |
20-148 | 4.01e-06 | |||||||||||||||
Metaviral_G glycoprotein; This is a viral attachment glycoprotein from region G of metaviruses. It is high in serine and threonine suggesting it is highly glycosylated. The actual alignment was detected with superfamily member pfam09595: Pssm-ID: 462833 [Multi-domain] Cd Length: 183 Bit Score: 48.80 E-value: 4.01e-06
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| Name | Accession | Description | Interval | E-value | |||||||||||||||
| pullulan_Gpos | TIGR02102 | pullulanase, extracellular, Gram-positive; Pullulan is an unusual, industrially important ... |
144-1236 | 0e+00 | |||||||||||||||
pullulanase, extracellular, Gram-positive; Pullulan is an unusual, industrially important polysaccharide in which short alpha-1,4 chains (maltotriose) are connected in alpha-1,6 linkages. Enzymes that cleave alpha-1,6 linkages in pullulan and release maltotriose are called pullulanases although pullulan itself may not be the natural substrate. In contrast, a glycogen debranching enzyme such GlgX, homologous to this family, can release glucose at alpha,1-6 linkages from glycogen first subjected to limit degradation by phosphorylase. Characterized members of this family include a surface-located pullulanase from Streptococcus pneumoniae () and an extracellular bifunctional amylase/pullulanase with C-terminal pullulanase activity (. Pssm-ID: 273973 [Multi-domain] Cd Length: 1111 Bit Score: 1870.31 E-value: 0e+00
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| AmyAc_Pullulanase_LD-like | cd11341 | Alpha amylase catalytic domain found in Pullulanase (also called dextrinase; alpha-dextrin ... |
597-1039 | 2.46e-169 | |||||||||||||||
Alpha amylase catalytic domain found in Pullulanase (also called dextrinase; alpha-dextrin endo-1,6-alpha glucosidase), limit dextrinase, and related proteins; Pullulanase is an enzyme with action similar to that of isoamylase; it cleaves 1,6-alpha-glucosidic linkages in pullulan, amylopectin, and glycogen, and in alpha-and beta-amylase limit-dextrins of amylopectin and glycogen. Pullulanases are very similar to limit dextrinases, although they differ in their action on glycogen and the rate of hydrolysis of limit dextrins. The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200480 [Multi-domain] Cd Length: 406 Bit Score: 507.82 E-value: 2.46e-169
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| PLN02877 | PLN02877 | alpha-amylase/limit dextrinase |
453-1058 | 9.43e-66 | |||||||||||||||
alpha-amylase/limit dextrinase Pssm-ID: 215474 [Multi-domain] Cd Length: 970 Bit Score: 241.59 E-value: 9.43e-66
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| PulA | COG1523 | Pullulanase/glycogen debranching enzyme [Carbohydrate transport and metabolism]; |
461-789 | 1.38e-48 | |||||||||||||||
Pullulanase/glycogen debranching enzyme [Carbohydrate transport and metabolism]; Pssm-ID: 441132 [Multi-domain] Cd Length: 690 Bit Score: 185.28 E-value: 1.38e-48
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| SpuA_C | pfam18033 | SpuA C-terminal; This is the C-terminal beta sandwich domain found in Streptococcus pneumoniae ... |
1056-1152 | 7.89e-35 | |||||||||||||||
SpuA C-terminal; This is the C-terminal beta sandwich domain found in Streptococcus pneumoniae Spu4 proteins. Spu4 is a large multimodular cell wall-attached enzyme involved in the degradation of glycogen. Pssm-ID: 436224 [Multi-domain] Cd Length: 93 Bit Score: 128.24 E-value: 7.89e-35
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| Aamy | smart00642 | Alpha-amylase domain; |
624-749 | 9.73e-19 | |||||||||||||||
Alpha-amylase domain; Pssm-ID: 214758 [Multi-domain] Cd Length: 166 Bit Score: 84.69 E-value: 9.73e-19
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| Metaviral_G | pfam09595 | Metaviral_G glycoprotein; This is a viral attachment glycoprotein from region G of metaviruses. ... |
20-148 | 4.01e-06 | |||||||||||||||
Metaviral_G glycoprotein; This is a viral attachment glycoprotein from region G of metaviruses. It is high in serine and threonine suggesting it is highly glycosylated. Pssm-ID: 462833 [Multi-domain] Cd Length: 183 Bit Score: 48.80 E-value: 4.01e-06
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| PRK06347 | PRK06347 | 1,4-beta-N-acetylmuramoylhydrolase; |
7-130 | 5.38e-06 | |||||||||||||||
1,4-beta-N-acetylmuramoylhydrolase; Pssm-ID: 180536 [Multi-domain] Cd Length: 592 Bit Score: 50.85 E-value: 5.38e-06
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| MSCRAMM_ClfA | NF033609 | MSCRAMM family adhesin clumping factor ClfA; Clumping factor A is an MSCRAMM (Microbial ... |
9-193 | 1.49e-04 | |||||||||||||||
MSCRAMM family adhesin clumping factor ClfA; Clumping factor A is an MSCRAMM (Microbial Surface Components Recognizing Adhesive Matrix Molecules). It is heavily studied in Staphylococcus aureus both for its biological role in adhesion and for its potential for vaccination. Features of the sequence, but also of other MSCRAMM adhesins, include a long run of Ser-Asp dipeptide repeats and a C-terminal cell wall anchoring LPXTG motif. Pssm-ID: 468110 [Multi-domain] Cd Length: 934 Bit Score: 46.06 E-value: 1.49e-04
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| Name | Accession | Description | Interval | E-value | |||||||||||||||
| pullulan_Gpos | TIGR02102 | pullulanase, extracellular, Gram-positive; Pullulan is an unusual, industrially important ... |
144-1236 | 0e+00 | |||||||||||||||
pullulanase, extracellular, Gram-positive; Pullulan is an unusual, industrially important polysaccharide in which short alpha-1,4 chains (maltotriose) are connected in alpha-1,6 linkages. Enzymes that cleave alpha-1,6 linkages in pullulan and release maltotriose are called pullulanases although pullulan itself may not be the natural substrate. In contrast, a glycogen debranching enzyme such GlgX, homologous to this family, can release glucose at alpha,1-6 linkages from glycogen first subjected to limit degradation by phosphorylase. Characterized members of this family include a surface-located pullulanase from Streptococcus pneumoniae () and an extracellular bifunctional amylase/pullulanase with C-terminal pullulanase activity (. Pssm-ID: 273973 [Multi-domain] Cd Length: 1111 Bit Score: 1870.31 E-value: 0e+00
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| AmyAc_Pullulanase_LD-like | cd11341 | Alpha amylase catalytic domain found in Pullulanase (also called dextrinase; alpha-dextrin ... |
597-1039 | 2.46e-169 | |||||||||||||||
Alpha amylase catalytic domain found in Pullulanase (also called dextrinase; alpha-dextrin endo-1,6-alpha glucosidase), limit dextrinase, and related proteins; Pullulanase is an enzyme with action similar to that of isoamylase; it cleaves 1,6-alpha-glucosidic linkages in pullulan, amylopectin, and glycogen, and in alpha-and beta-amylase limit-dextrins of amylopectin and glycogen. Pullulanases are very similar to limit dextrinases, although they differ in their action on glycogen and the rate of hydrolysis of limit dextrins. The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200480 [Multi-domain] Cd Length: 406 Bit Score: 507.82 E-value: 2.46e-169
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| pulA_typeI | TIGR02104 | pullulanase, type I; Pullulan is an unusual, industrially important polysaccharide in which ... |
453-1122 | 1.01e-133 | |||||||||||||||
pullulanase, type I; Pullulan is an unusual, industrially important polysaccharide in which short alpha-1,4 chains (maltotriose) are connected in alpha-1,6 linkages. Enzymes that cleave alpha-1,6 linkages in pullulan and release maltotriose are called pullulanases although pullulan itself may not be the natural substrate. This family consists of pullulanases related to the subfamilies described in TIGR02102 and TIGR02103 but having a different domain architecture with shorter sequences. Members are called type I pullulanases. Pssm-ID: 273975 [Multi-domain] Cd Length: 605 Bit Score: 421.73 E-value: 1.01e-133
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| pullul_strch | TIGR02103 | alpha-1,6-glucosidases, pullulanase-type; Members of this protein family include secreted (or ... |
339-1102 | 1.91e-81 | |||||||||||||||
alpha-1,6-glucosidases, pullulanase-type; Members of this protein family include secreted (or membrane-anchored) pullulanases of Gram-negative bacteria and pullulanase-type starch debranching enzymes of plants. Both enzymes hydrolyze alpha-1,6 glycosidic linkages. Pullulan is an unusual, industrially important polysaccharide in which short alpha-1,4 chains (maltotriose) are connected in alpha-1,6 linkages. Enzymes that cleave alpha-1,6 linkages in pullulan and release maltotriose are called pullulanases although pullulan itself may not be the natural substrate. This family is closely homologous to, but architecturally different from, the Gram-positive pullulanases of Gram-positive bacteria (TIGR02102). [Energy metabolism, Biosynthesis and degradation of polysaccharides] Pssm-ID: 273974 [Multi-domain] Cd Length: 898 Bit Score: 287.11 E-value: 1.91e-81
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| PLN02877 | PLN02877 | alpha-amylase/limit dextrinase |
453-1058 | 9.43e-66 | |||||||||||||||
alpha-amylase/limit dextrinase Pssm-ID: 215474 [Multi-domain] Cd Length: 970 Bit Score: 241.59 E-value: 9.43e-66
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| glgX_debranch | TIGR02100 | glycogen debranching enzyme GlgX; This family consists of the GlgX protein from the E. coli ... |
461-973 | 6.32e-49 | |||||||||||||||
glycogen debranching enzyme GlgX; This family consists of the GlgX protein from the E. coli glycogen operon and probable equivalogs from other prokaryotic species. GlgX is not required for glycogen biosynthesis, but instead acts as a debranching enzyme for glycogen catabolism. This model distinguishes GlgX from pullanases and other related proteins that also operate on alpha-1,6-glycosidic linkages. In the wide band between the trusted and noise cutoffs are functionally similar enzymes, mostly from plants, that act similarly but usually are termed isoamylase. [Energy metabolism, Biosynthesis and degradation of polysaccharides] Pssm-ID: 131155 [Multi-domain] Cd Length: 688 Bit Score: 186.40 E-value: 6.32e-49
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| PulA | COG1523 | Pullulanase/glycogen debranching enzyme [Carbohydrate transport and metabolism]; |
461-789 | 1.38e-48 | |||||||||||||||
Pullulanase/glycogen debranching enzyme [Carbohydrate transport and metabolism]; Pssm-ID: 441132 [Multi-domain] Cd Length: 690 Bit Score: 185.28 E-value: 1.38e-48
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| AmyAc_Glg_debranch | cd11326 | Alpha amylase catalytic domain found in glycogen debranching enzymes; Debranching enzymes ... |
596-962 | 1.37e-46 | |||||||||||||||
Alpha amylase catalytic domain found in glycogen debranching enzymes; Debranching enzymes facilitate the breakdown of glycogen through glucosyltransferase and glucosidase activity. These activities are performed by a single enzyme in mammals, yeast, and some bacteria, but by two distinct enzymes in Escherichia coli and other bacteria. Debranching enzymes perform two activities: 4-alpha-D-glucanotransferase (EC 2.4.1.25) and amylo-1,6-glucosidase (EC 3.2.1.33). 4-alpha-D-glucanotransferase catalyzes the endohydrolysis of 1,6-alpha-D-glucoside linkages at points of branching in chains of 1,4-linked alpha-D-glucose residues. Amylo-alpha-1,6-glucosidase catalyzes the endohydrolysis of 1,6-alpha-D-glucoside linkages at points of branching in chains of 1,4-linked alpha-D-glucose residues. In Escherichia coli, GlgX is the debranching enzyme and malQ is the 4-alpha-glucanotransferase. TreX, an archaeal glycogen-debranching enzyme has dual activities like mammals and yeast, but is structurally similar to GlgX. TreX exists in two oligomeric states, a dimer and tetramer. Isoamylase (EC 3.2.1.68) is one of the starch-debranching enzymes that catalyzes the hydrolysis of alpha-1,6-glucosidic linkages specific in alpha-glucans such as amylopectin or glycogen and their beta-limit dextrins. The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200465 [Multi-domain] Cd Length: 433 Bit Score: 173.81 E-value: 1.37e-46
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| AmyAc_4 | cd11350 | Alpha amylase catalytic domain found in an uncharacterized protein family; The Alpha-amylase ... |
589-1046 | 2.79e-40 | |||||||||||||||
Alpha amylase catalytic domain found in an uncharacterized protein family; The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200488 [Multi-domain] Cd Length: 390 Bit Score: 153.97 E-value: 2.79e-40
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| AmyAc_GTHase | cd11325 | Alpha amylase catalytic domain found in Glycosyltrehalose trehalohydrolase (also called ... |
597-1041 | 1.45e-38 | |||||||||||||||
Alpha amylase catalytic domain found in Glycosyltrehalose trehalohydrolase (also called Maltooligosyl trehalose Trehalohydrolase); Glycosyltrehalose trehalohydrolase (GTHase) was discovered as part of a coupled system for the production of trehalose from soluble starch. In the first half of the reaction, glycosyltrehalose synthase (GTSase), an intramolecular glycosyl transferase, converts the glycosidic bond between the last two glucose residues of amylose from an alpha-1,4 bond to an alpha-1,1 bond, making a non-reducing glycosyl trehaloside. In the second half of the reaction, GTHase cleaves the alpha-1,4 glycosidic bond adjacent to the trehalose moiety to release trehalose and malto-oligosaccharide. Like isoamylase and other glycosidases that recognize branched oligosaccharides, GTHase contains an N-terminal extension and does not have the conserved calcium ion present in other alpha amylase family enzymes. The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Glycosyltrehalose Trehalohydrolase Maltooligosyltrehalose Trehalohydrolase Pssm-ID: 200464 [Multi-domain] Cd Length: 436 Bit Score: 150.00 E-value: 1.45e-38
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| trehalose_TreZ | TIGR02402 | malto-oligosyltrehalose trehalohydrolase; Members of this family are the trehalose ... |
473-1057 | 1.37e-35 | |||||||||||||||
malto-oligosyltrehalose trehalohydrolase; Members of this family are the trehalose biosynthetic enzyme malto-oligosyltrehalose trehalohydrolase, formally known as 4-alpha-D-{(1->4)-alpha-D-glucano}trehalose trehalohydrolase (EC 3.2.1.141). It is the TreZ protein of the TreYZ pathway for trehalose biosynthesis, and alternative to the OtsAB system. [Energy metabolism, Biosynthesis and degradation of polysaccharides] Pssm-ID: 274114 [Multi-domain] Cd Length: 544 Bit Score: 143.63 E-value: 1.37e-35
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| SpuA_C | pfam18033 | SpuA C-terminal; This is the C-terminal beta sandwich domain found in Streptococcus pneumoniae ... |
1056-1152 | 7.89e-35 | |||||||||||||||
SpuA C-terminal; This is the C-terminal beta sandwich domain found in Streptococcus pneumoniae Spu4 proteins. Spu4 is a large multimodular cell wall-attached enzyme involved in the degradation of glycogen. Pssm-ID: 436224 [Multi-domain] Cd Length: 93 Bit Score: 128.24 E-value: 7.89e-35
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| AmyAc_family | cd00551 | Alpha amylase catalytic domain family; The Alpha-amylase family comprises the largest family ... |
600-951 | 2.55e-34 | |||||||||||||||
Alpha amylase catalytic domain family; The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; and C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost this catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200451 [Multi-domain] Cd Length: 260 Bit Score: 132.68 E-value: 2.55e-34
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| PRK03705 | PRK03705 | glycogen debranching protein GlgX; |
461-968 | 8.04e-33 | |||||||||||||||
glycogen debranching protein GlgX; Pssm-ID: 235152 [Multi-domain] Cd Length: 658 Bit Score: 136.70 E-value: 8.04e-33
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| PRK14510 | PRK14510 | bifunctional glycogen debranching protein GlgX/4-alpha-glucanotransferase; |
461-971 | 2.42e-29 | |||||||||||||||
bifunctional glycogen debranching protein GlgX/4-alpha-glucanotransferase; Pssm-ID: 237739 [Multi-domain] Cd Length: 1221 Bit Score: 127.31 E-value: 2.42e-29
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| AmyAc_arch_bac_AmyA | cd11313 | Alpha amylase catalytic domain found in archaeal and bacterial Alpha-amylases (also called 1, ... |
597-986 | 1.40e-28 | |||||||||||||||
Alpha amylase catalytic domain found in archaeal and bacterial Alpha-amylases (also called 1,4-alpha-D-glucan-4-glucanohydrolase); AmyA (EC 3.2.1.1) catalyzes the hydrolysis of alpha-(1,4) glycosidic linkages of glycogen, starch, related polysaccharides, and some oligosaccharides. This group includes firmicutes, bacteroidetes, and proteobacteria. The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200452 [Multi-domain] Cd Length: 336 Bit Score: 118.04 E-value: 1.40e-28
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| AmyA | COG0366 | Glycosidase/amylase (phosphorylase) [Carbohydrate transport and metabolism]; |
598-975 | 8.11e-26 | |||||||||||||||
Glycosidase/amylase (phosphorylase) [Carbohydrate transport and metabolism]; Pssm-ID: 440135 [Multi-domain] Cd Length: 413 Bit Score: 111.88 E-value: 8.11e-26
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| PUD | pfam03714 | Bacterial pullanase-associated domain; Domain is found in pullanase - carbohydrate ... |
256-357 | 3.17e-25 | |||||||||||||||
Bacterial pullanase-associated domain; Domain is found in pullanase - carbohydrate de-branching - proteins. It is found both to the N or the C terminii of of the alpha-amylase active site region. This domain contains several conserved aromatic residues that are suggestive of a carbohydrate binding function. Pssm-ID: 461022 [Multi-domain] Cd Length: 97 Bit Score: 100.91 E-value: 3.17e-25
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| GlgB | COG0296 | 1,4-alpha-glucan branching enzyme [Carbohydrate transport and metabolism]; |
461-790 | 9.61e-25 | |||||||||||||||
1,4-alpha-glucan branching enzyme [Carbohydrate transport and metabolism]; Pssm-ID: 440065 [Multi-domain] Cd Length: 625 Bit Score: 111.00 E-value: 9.61e-25
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| E_set_Pullulanase | cd02860 | Early set domain associated with the catalytic domain of pullulanase (also called dextrinase ... |
460-556 | 1.60e-24 | |||||||||||||||
Early set domain associated with the catalytic domain of pullulanase (also called dextrinase and alpha-dextrin endo-1,6-alpha glucosidase); E or "early" set domains are associated with the catalytic domain of pullulanase at either the N-terminal or C-terminal end, and in a few instances at both ends. Pullulanase is an enzyme with activity similar to that of isoamylase; it cleaves 1,6-alpha-glucosidic linkages in pullulan, amylopectin, and glycogen, and in alpha-and beta-amylase limit-dextrins of amylopectin and glycogen. The E set domain of pullulanase may be related to the immunoglobulin and/or fibronectin type III superfamilies. These domains are associated with different types of catalytic domains at either the N-terminal or C-terminal end and may be involved in homodimeric/tetrameric/dodecameric interactions. Members of this family include members of the alpha amylase family, sialidase, galactose oxidase, cellulase, cellulose, hyaluronate lyase, chitobiase, and chitinase. This domain is also a member of the CBM48 (Carbohydrate Binding Module 48) family whose members include maltooligosyl trehalose synthase, starch branching enzyme, glycogen branching enzyme, glycogen debranching enzyme, isoamylase, and the beta subunit of AMP-activated protein kinase. Pssm-ID: 199890 [Multi-domain] Cd Length: 97 Bit Score: 98.77 E-value: 1.60e-24
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| CBM41_pullulanase | cd10315 | Family 41 Carbohydrate-Binding Module from pullulanase-like enzymes; Pullulanases (EC 3.2.1.41) ... |
255-359 | 4.41e-24 | |||||||||||||||
Family 41 Carbohydrate-Binding Module from pullulanase-like enzymes; Pullulanases (EC 3.2.1.41) are a group of starch-debranching enzymes, catalyzing the hydrolysis of the alpha-1,6-glucosidic linkages of alpha-glucans, preferentially pullulan. Pullulan is a polysaccharide in which alpha-1,4 linked maltotriosyl units are combined via an alpha-1,6 linkage. These enzymes are of importance in the starch industry, where they are used to hydrolyze amylopectin starch. Pullulanases consist of multiple distinct domains, including a catalytic domain belonging to the glycoside hydrolase (GH) family 13 and carbohydrate-binding modules (CBM), including CBM41. Pssm-ID: 199215 [Multi-domain] Cd Length: 100 Bit Score: 97.79 E-value: 4.41e-24
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| PUD | pfam03714 | Bacterial pullanase-associated domain; Domain is found in pullanase - carbohydrate ... |
148-248 | 1.73e-22 | |||||||||||||||
Bacterial pullanase-associated domain; Domain is found in pullanase - carbohydrate de-branching - proteins. It is found both to the N or the C terminii of of the alpha-amylase active site region. This domain contains several conserved aromatic residues that are suggestive of a carbohydrate binding function. Pssm-ID: 461022 [Multi-domain] Cd Length: 97 Bit Score: 93.20 E-value: 1.73e-22
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| AmyAc_plant_IsoA | cd11346 | Alpha amylase catalytic domain family found in plant isoamylases; Two types of debranching ... |
597-789 | 2.78e-20 | |||||||||||||||
Alpha amylase catalytic domain family found in plant isoamylases; Two types of debranching enzymes exist in plants: isoamylase-type (EC 3.2.1.68) and a pullulanase-type (EC 3.2.1.41, also known as limit-dextrinase). These efficiently hydrolyze alpha-(1,6)-linkages in amylopectin and pullulan. This group does not contain the conserved catalytic triad present in other alpha-amylase-like proteins. The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200484 [Multi-domain] Cd Length: 347 Bit Score: 94.08 E-value: 2.78e-20
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| CBM41_pullulanase | cd10315 | Family 41 Carbohydrate-Binding Module from pullulanase-like enzymes; Pullulanases (EC 3.2.1.41) ... |
147-250 | 2.00e-19 | |||||||||||||||
Family 41 Carbohydrate-Binding Module from pullulanase-like enzymes; Pullulanases (EC 3.2.1.41) are a group of starch-debranching enzymes, catalyzing the hydrolysis of the alpha-1,6-glucosidic linkages of alpha-glucans, preferentially pullulan. Pullulan is a polysaccharide in which alpha-1,4 linked maltotriosyl units are combined via an alpha-1,6 linkage. These enzymes are of importance in the starch industry, where they are used to hydrolyze amylopectin starch. Pullulanases consist of multiple distinct domains, including a catalytic domain belonging to the glycoside hydrolase (GH) family 13 and carbohydrate-binding modules (CBM), including CBM41. Pssm-ID: 199215 [Multi-domain] Cd Length: 100 Bit Score: 84.31 E-value: 2.00e-19
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| Aamy | smart00642 | Alpha-amylase domain; |
624-749 | 9.73e-19 | |||||||||||||||
Alpha-amylase domain; Pssm-ID: 214758 [Multi-domain] Cd Length: 166 Bit Score: 84.69 E-value: 9.73e-19
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| AmyAc_CMD | cd11338 | Alpha amylase catalytic domain found in cyclomaltodextrinases and related proteins; ... |
630-820 | 3.18e-18 | |||||||||||||||
Alpha amylase catalytic domain found in cyclomaltodextrinases and related proteins; Cyclomaltodextrinase (CDase; EC3.2.1.54), neopullulanase (NPase; EC 3.2.1.135), and maltogenic amylase (MA; EC 3.2.1.133) catalyze the hydrolysis of alpha-(1,4) glycosidic linkages on a number of substrates including cyclomaltodextrins (CDs), pullulan, and starch. These enzymes hydrolyze CDs and starch to maltose and pullulan to panose by cleavage of alpha-1,4 glycosidic bonds whereas alpha-amylases essentially lack activity on CDs and pullulan. They also catalyze transglycosylation of oligosaccharides to the C3-, C4- or C6-hydroxyl groups of various acceptor sugar molecules. Since these proteins are nearly indistinguishable from each other, they are referred to as cyclomaltodextrinases (CMDs). The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200477 [Multi-domain] Cd Length: 389 Bit Score: 88.31 E-value: 3.18e-18
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| AmyAc_bac_CMD_like_2 | cd11339 | Alpha amylase catalytic domain found in bacterial cyclomaltodextrinases and related proteins; ... |
624-820 | 6.99e-17 | |||||||||||||||
Alpha amylase catalytic domain found in bacterial cyclomaltodextrinases and related proteins; Cyclomaltodextrinase (CDase; EC3.2.1.54), neopullulanase (NPase; EC 3.2.1.135), and maltogenic amylase (MA; EC 3.2.1.133) catalyze the hydrolysis of alpha-(1,4) glycosidic linkages on a number of substrates including cyclomaltodextrins (CDs), pullulan, and starch. These enzymes hydrolyze CDs and starch to maltose and pullulan to panose by cleavage of alpha-1,4 glycosidic bonds whereas alpha-amylases essentially lack activity on CDs and pullulan. They also catalyze transglycosylation of oligosaccharides to the C3-, C4- or C6-hydroxyl groups of various acceptor sugar molecules. Since these proteins are nearly indistinguishable from each other, they are referred to as cyclomaltodextrinases (CMDs). This group of CMDs is bacterial. The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200478 [Multi-domain] Cd Length: 344 Bit Score: 83.46 E-value: 6.99e-17
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| Alpha-amylase | pfam00128 | Alpha amylase, catalytic domain; Alpha amylase is classified as family 13 of the glycosyl ... |
624-960 | 2.10e-16 | |||||||||||||||
Alpha amylase, catalytic domain; Alpha amylase is classified as family 13 of the glycosyl hydrolases. The structure is an 8 stranded alpha/beta barrel containing the active site, interrupted by a ~70 a.a. calcium-binding domain protruding between beta strand 3 and alpha helix 3, and a carboxyl-terminal Greek key beta-barrel domain. Pssm-ID: 395077 [Multi-domain] Cd Length: 334 Bit Score: 82.02 E-value: 2.10e-16
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| AmyAc_bac2_AmyA | cd11316 | Alpha amylase catalytic domain found in bacterial Alpha-amylases (also called 1, ... |
624-958 | 3.35e-15 | |||||||||||||||
Alpha amylase catalytic domain found in bacterial Alpha-amylases (also called 1,4-alpha-D-glucan-4-glucanohydrolase); AmyA (EC 3.2.1.1) catalyzes the hydrolysis of alpha-(1,4) glycosidic linkages of glycogen, starch, related polysaccharides, and some oligosaccharides. This group includes Chloroflexi, Dictyoglomi, and Fusobacteria. The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200455 [Multi-domain] Cd Length: 403 Bit Score: 79.16 E-value: 3.35e-15
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| PRK12313 | PRK12313 | 1,4-alpha-glucan branching protein GlgB; |
454-789 | 6.11e-15 | |||||||||||||||
1,4-alpha-glucan branching protein GlgB; Pssm-ID: 237052 [Multi-domain] Cd Length: 633 Bit Score: 79.56 E-value: 6.11e-15
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| AmyAc_bac_euk_BE | cd11321 | Alpha amylase catalytic domain found in bacterial and eukaryotic branching enzymes; Branching ... |
601-794 | 1.03e-14 | |||||||||||||||
Alpha amylase catalytic domain found in bacterial and eukaryotic branching enzymes; Branching enzymes (BEs) catalyze the formation of alpha-1,6 branch points in either glycogen or starch by cleavage of the alpha-1,4 glucosidic linkage yielding a non-reducing end oligosaccharide chain, and subsequent attachment to the alpha-1,6 position. By increasing the number of non-reducing ends, glycogen is more reactive to synthesis and digestion as well as being more soluble. This group includes bacterial and eukaryotic proteins. The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200460 [Multi-domain] Cd Length: 406 Bit Score: 77.66 E-value: 1.03e-14
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| AmyAc_TreS | cd11334 | Alpha amylase catalytic domain found in Trehalose synthetase; Trehalose synthetase (TreS) ... |
597-729 | 1.20e-14 | |||||||||||||||
Alpha amylase catalytic domain found in Trehalose synthetase; Trehalose synthetase (TreS) catalyzes the reversible interconversion of trehalose and maltose. The enzyme catalyzes the reaction in both directions, but the preferred substrate is maltose. Glucose is formed as a by-product of this reaction. It is believed that the catalytic mechanism may involve the cutting of the incoming disaccharide and transfer of a glucose to an enzyme-bound glucose. This enzyme also catalyzes production of a glucosamine disaccharide from maltose and glucosamine. The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200473 [Multi-domain] Cd Length: 447 Bit Score: 77.99 E-value: 1.20e-14
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| AmyAc_euk_AmyA | cd11319 | Alpha amylase catalytic domain found in eukaryotic Alpha-amylases (also called 1, ... |
624-789 | 1.94e-14 | |||||||||||||||
Alpha amylase catalytic domain found in eukaryotic Alpha-amylases (also called 1,4-alpha-D-glucan-4-glucanohydrolase); AmyA (EC 3.2.1.1) catalyzes the hydrolysis of alpha-(1,4) glycosidic linkages of glycogen, starch, related polysaccharides, and some oligosaccharides. This group includes eukaryotic alpha-amylases including proteins from fungi, sponges, and protozoans. The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200458 [Multi-domain] Cd Length: 375 Bit Score: 76.45 E-value: 1.94e-14
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| PRK10785 | PRK10785 | maltodextrin glucosidase; Provisional |
631-818 | 1.34e-13 | |||||||||||||||
maltodextrin glucosidase; Provisional Pssm-ID: 236759 [Multi-domain] Cd Length: 598 Bit Score: 75.43 E-value: 1.34e-13
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| AmyAc_Glg_BE | cd11322 | Alpha amylase catalytic domain found in the Glycogen branching enzyme (also called 1, ... |
601-790 | 5.47e-13 | |||||||||||||||
Alpha amylase catalytic domain found in the Glycogen branching enzyme (also called 1,4-alpha-glucan branching enzyme); The glycogen branching enzyme catalyzes the third step of glycogen biosynthesis by the cleavage of an alpha-(1,4)-glucosidic linkage and the formation a new alpha-(1,6)-branch by subsequent transfer of cleaved oligosaccharide. They are part of a group called branching enzymes which catalyze the formation of alpha-1,6 branch points in either glycogen or starch. This group includes proteins from bacteria, eukaryotes, and archaea. The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200461 [Multi-domain] Cd Length: 402 Bit Score: 72.17 E-value: 5.47e-13
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| AmyAc_SI_OligoGlu_DGase | cd11333 | Alpha amylase catalytic domain found in Sucrose isomerases, oligo-1,6-glucosidase (also called ... |
630-727 | 2.63e-12 | |||||||||||||||
Alpha amylase catalytic domain found in Sucrose isomerases, oligo-1,6-glucosidase (also called isomaltase; sucrase-isomaltase; alpha-limit dextrinase), dextran glucosidase (also called glucan 1,6-alpha-glucosidase), and related proteins; The sucrose isomerases (SIs) Isomaltulose synthase (EC 5.4.99.11) and Trehalose synthase (EC 5.4.99.16) catalyze the isomerization of sucrose and maltose to produce isomaltulose and trehalulose, respectively. Oligo-1,6-glucosidase (EC 3.2.1.10) hydrolyzes the alpha-1,6-glucosidic linkage of isomaltooligosaccharides, pannose, and dextran. Unlike alpha-1,4-glucosidases (EC 3.2.1.20), it fails to hydrolyze the alpha-1,4-glucosidic bonds of maltosaccharides. Dextran glucosidase (DGase, EC 3.2.1.70) hydrolyzes alpha-1,6-glucosidic linkages at the non-reducing end of panose, isomaltooligosaccharides and dextran to produce alpha-glucose.The common reaction chemistry of the alpha-amylase family enzymes is based on a two-step acid catalytic mechanism that requires two critical carboxylates: one acting as a general acid/base (Glu) and the other as a nucleophile (Asp). Both hydrolysis and transglycosylation proceed via the nucleophilic substitution reaction between the anomeric carbon, C1 and a nucleophile. Both enzymes contain the three catalytic residues (Asp, Glu and Asp) common to the alpha-amylase family as well as two histidine residues which are predicted to be critical to binding the glucose residue adjacent to the scissile bond in the substrates. The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200472 [Multi-domain] Cd Length: 428 Bit Score: 70.56 E-value: 2.63e-12
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| AmyAc_5 | cd11352 | Alpha amylase catalytic domain found in an uncharacterized protein family; The Alpha-amylase ... |
624-761 | 7.43e-12 | |||||||||||||||
Alpha amylase catalytic domain found in an uncharacterized protein family; The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200489 [Multi-domain] Cd Length: 443 Bit Score: 69.27 E-value: 7.43e-12
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| AmyAc_arch_bac_plant_AmyA | cd11314 | Alpha amylase catalytic domain found in archaeal, bacterial, and plant Alpha-amylases (also ... |
631-790 | 1.95e-11 | |||||||||||||||
Alpha amylase catalytic domain found in archaeal, bacterial, and plant Alpha-amylases (also called 1,4-alpha-D-glucan-4-glucanohydrolase); AmyA (EC 3.2.1.1) catalyzes the hydrolysis of alpha-(1,4) glycosidic linkages of glycogen, starch, related polysaccharides, and some oligosaccharides. This group includes AmyA from bacteria, archaea, water fleas, and plants. The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200453 [Multi-domain] Cd Length: 302 Bit Score: 66.48 E-value: 1.95e-11
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| AmyAc_bac_CMD_like_3 | cd11340 | Alpha amylase catalytic domain found in bacterial cyclomaltodextrinases and related proteins; ... |
630-727 | 3.60e-10 | |||||||||||||||
Alpha amylase catalytic domain found in bacterial cyclomaltodextrinases and related proteins; Cyclomaltodextrinase (CDase; EC3.2.1.54), neopullulanase (NPase; EC 3.2.1.135), and maltogenic amylase (MA; EC 3.2.1.133) catalyze the hydrolysis of alpha-(1,4) glycosidic linkages on a number of substrates including cyclomaltodextrins (CDs), pullulan, and starch. These enzymes hydrolyze CDs and starch to maltose and pullulan to panose by cleavage of alpha-1,4 glycosidic bonds whereas alpha-amylases essentially lack activity on CDs and pullulan. They also catalyze transglycosylation of oligosaccharides to the C3-, C4- or C6-hydroxyl groups of various acceptor sugar molecules. Since these proteins are nearly indistinguishable from each other, they are referred to as cyclomaltodextrinases (CMDs). This group of CMDs is bacterial. The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200479 [Multi-domain] Cd Length: 407 Bit Score: 63.38 E-value: 3.60e-10
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| PLN02447 | PLN02447 | 1,4-alpha-glucan-branching enzyme |
601-794 | 5.45e-10 | |||||||||||||||
1,4-alpha-glucan-branching enzyme Pssm-ID: 215246 [Multi-domain] Cd Length: 758 Bit Score: 63.92 E-value: 5.45e-10
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| PRK10933 | PRK10933 | trehalose-6-phosphate hydrolase; Provisional |
600-756 | 7.55e-10 | |||||||||||||||
trehalose-6-phosphate hydrolase; Provisional Pssm-ID: 182849 [Multi-domain] Cd Length: 551 Bit Score: 63.23 E-value: 7.55e-10
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| AmyAc_OligoGlu | cd11330 | Alpha amylase catalytic domain found in oligo-1,6-glucosidase (also called isomaltase; ... |
597-756 | 1.10e-09 | |||||||||||||||
Alpha amylase catalytic domain found in oligo-1,6-glucosidase (also called isomaltase; sucrase-isomaltase; alpha-limit dextrinase) and related proteins; Oligo-1,6-glucosidase (EC 3.2.1.10) hydrolyzes the alpha-1,6-glucosidic linkage of isomalto-oligosaccharides, pannose, and dextran. Unlike alpha-1,4-glucosidases (EC 3.2.1.20), it fails to hydrolyze the alpha-1,4-glucosidic bonds of maltosaccharides. The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200469 [Multi-domain] Cd Length: 472 Bit Score: 62.28 E-value: 1.10e-09
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| PRK14706 | PRK14706 | glycogen branching enzyme; Provisional |
473-789 | 4.23e-09 | |||||||||||||||
glycogen branching enzyme; Provisional Pssm-ID: 237795 [Multi-domain] Cd Length: 639 Bit Score: 60.77 E-value: 4.23e-09
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| AmyAc_3 | cd11349 | Alpha amylase catalytic domain found in an uncharacterized protein family; The Alpha-amylase ... |
624-728 | 4.43e-09 | |||||||||||||||
Alpha amylase catalytic domain found in an uncharacterized protein family; The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200487 [Multi-domain] Cd Length: 456 Bit Score: 60.38 E-value: 4.43e-09
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| AmyAc_AmyMalt_CGTase_like | cd11320 | Alpha amylase catalytic domain found in maltogenic amylases, cyclodextrin glycosyltransferase, ... |
624-966 | 6.07e-09 | |||||||||||||||
Alpha amylase catalytic domain found in maltogenic amylases, cyclodextrin glycosyltransferase, and related proteins; Enzymes such as amylases, cyclomaltodextrinase (CDase), and cyclodextrin glycosyltransferase (CGTase) degrade starch to smaller oligosaccharides by hydrolyzing the alpha-D-(1,4) linkages between glucose residues. In the case of CGTases, an additional cyclization reaction is catalyzed yielding mixtures of cyclic oligosaccharides which are referred to as alpha-, beta-, or gamma-cyclodextrins (CDs), consisting of six, seven, or eight glucose residues, respectively. CGTases are characterized depending on the major product of the cyclization reaction. Besides having similar catalytic site residues, amylases and CGTases contain carbohydrate binding domains that are distant from the active site and are implicated in attaching the enzyme to raw starch granules and in guiding the amylose chain into the active site. The maltogenic alpha-amylase from Bacillus is a five-domain structure, unlike most alpha-amylases, but similar to that of cyclodextrin glycosyltransferase. In addition to the A, B, and C domains, they have a domain D and a starch-binding domain E. Maltogenic amylase is an endo-acting amylase that has activity on cyclodextrins, terminally modified linear maltodextrins, and amylose. The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200459 [Multi-domain] Cd Length: 389 Bit Score: 59.61 E-value: 6.07e-09
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| AmyAc_OligoGlu_TS | cd11332 | Alpha amylase catalytic domain found in oligo-1,6-glucosidase (also called isomaltase; ... |
598-729 | 4.23e-08 | |||||||||||||||
Alpha amylase catalytic domain found in oligo-1,6-glucosidase (also called isomaltase; sucrase-isomaltase; alpha-limit dextrinase), trehalose synthase (also called maltose alpha-D-glucosyltransferase), and related proteins; Oligo-1,6-glucosidase (EC 3.2.1.10) hydrolyzes the alpha-1,6-glucosidic linkage of isomaltooligosaccharides, pannose, and dextran. Unlike alpha-1,4-glucosidases (EC 3.2.1.20), it fails to hydrolyze the alpha-1,4-glucosidic bonds of maltosaccharides. Trehalose synthase (EC 5.4.99.16) catalyzes the isomerization of maltose to produce trehalulose. The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200471 [Multi-domain] Cd Length: 481 Bit Score: 57.28 E-value: 4.23e-08
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| AmyAc_maltase | cd11328 | Alpha amylase catalytic domain found in maltase (also known as alpha glucosidase) and related ... |
597-729 | 6.34e-08 | |||||||||||||||
Alpha amylase catalytic domain found in maltase (also known as alpha glucosidase) and related proteins; Maltase (EC 3.2.1.20) hydrolyzes the terminal, non-reducing (1->4)-linked alpha-D-glucose residues in maltose, releasing alpha-D-glucose. In most cases, maltase is equivalent to alpha-glucosidase, but the term "maltase" emphasizes the disaccharide nature of the substrate from which glucose is cleaved, and the term "alpha-glucosidase" emphasizes the bond, whether the substrate is a disaccharide or polysaccharide. The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200467 [Multi-domain] Cd Length: 470 Bit Score: 56.86 E-value: 6.34e-08
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| AmyAc_SLC3A1 | cd11359 | Alpha amylase catalytic domain found in Solute Carrier family 3 member 1 proteins; SLC3A1, ... |
597-729 | 6.53e-08 | |||||||||||||||
Alpha amylase catalytic domain found in Solute Carrier family 3 member 1 proteins; SLC3A1, also called Neutral and basic amino acid transport protein rBAT or NBAT, plays a role in amino acid and cystine absorption. Mutations in the gene encoding SLC3A1 causes cystinuria, an autosomal recessive disorder characterized by the failure of proximal tubules to reabsorb filtered cystine and dibasic amino acids. The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200494 [Multi-domain] Cd Length: 456 Bit Score: 56.60 E-value: 6.53e-08
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| AmyAc_OligoGlu_like | cd11331 | Alpha amylase catalytic domain found in oligo-1,6-glucosidase (also called isomaltase; ... |
597-729 | 1.23e-07 | |||||||||||||||
Alpha amylase catalytic domain found in oligo-1,6-glucosidase (also called isomaltase; sucrase-isomaltase; alpha-limit dextrinase) and related proteins; Oligo-1,6-glucosidase (EC 3.2.1.10) hydrolyzes the alpha-1,6-glucosidic linkage of isomalto-oligosaccharides, pannose, and dextran. Unlike alpha-1,4-glucosidases (EC 3.2.1.20), it fails to hydrolyze the alpha-1,4-glucosidic bonds of maltosaccharides. The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200470 [Multi-domain] Cd Length: 450 Bit Score: 55.79 E-value: 1.23e-07
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| PLN02960 | PLN02960 | alpha-amylase |
601-788 | 1.34e-07 | |||||||||||||||
alpha-amylase Pssm-ID: 215519 [Multi-domain] Cd Length: 897 Bit Score: 55.99 E-value: 1.34e-07
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| E_set_GDE_Isoamylase_N | cd02856 | N-terminal Early set domain associated with the catalytic domain of Glycogen debranching ... |
461-603 | 1.42e-07 | |||||||||||||||
N-terminal Early set domain associated with the catalytic domain of Glycogen debranching enzyme and bacterial isoamylase (also called glycogen 6-glucanohydrolase); E or "early" set domains are associated with the catalytic domain of the glycogen debranching enzyme at the N-terminal end. Glycogen debranching enzymes have both 4-alpha-glucanotransferase and amylo-1,6-glucosidase activities. As a transferase, it transfers a segment of the 1,4-alpha-D-glucan to a new 4-position in an acceptor, which may be glucose or another 1,4-alpha-D-glucan. As a glucosidase, it catalyzes the endohydrolysis of 1,6-alpha-D-glucoside linkages at points of branching in chains of 1,4-linked alpha-D-glucose residues. Bacterial isoamylases are also included in this subfamily. Isoamylase is one of the starch-debranching enzymes that catalyze the hydrolysis of alpha-1,6-glucosidic linkages specific in alpha-glucans such as amylopectin or glycogen. Isoamylase contains a bound calcium ion, but this is not in the same position as the conserved calcium ion that has been reported in other alpha-amylase family enzymes. The N-terminal domain of glycogen debranching enzyme may be related to the immunoglobulin and/or fibronectin type III superfamilies. These domains are associated with different types of catalytic domains at either the N-terminal or C-terminal end and may be involved in homodimeric/tetrameric/dodecameric interactions. Members of this family include members of the alpha amylase family, sialidase, galactose oxidase, cellulase, cellulose, hyaluronate lyase, chitobiase, and chitinase, among others. Pssm-ID: 199886 [Multi-domain] Cd Length: 130 Bit Score: 51.49 E-value: 1.42e-07
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| PRK05402 | PRK05402 | 1,4-alpha-glucan branching protein GlgB; |
462-723 | 1.45e-07 | |||||||||||||||
1,4-alpha-glucan branching protein GlgB; Pssm-ID: 235445 [Multi-domain] Cd Length: 726 Bit Score: 55.95 E-value: 1.45e-07
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| AmyAc_2 | cd11348 | Alpha amylase catalytic domain found in an uncharacterized protein family; The Alpha-amylase ... |
624-728 | 2.63e-07 | |||||||||||||||
Alpha amylase catalytic domain found in an uncharacterized protein family; The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The catalytic triad (DED) is not present here. The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200486 [Multi-domain] Cd Length: 429 Bit Score: 54.62 E-value: 2.63e-07
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| PRK14511 | PRK14511 | malto-oligosyltrehalose synthase; |
619-728 | 2.90e-07 | |||||||||||||||
malto-oligosyltrehalose synthase; Pssm-ID: 237740 [Multi-domain] Cd Length: 879 Bit Score: 54.98 E-value: 2.90e-07
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| PRK14705 | PRK14705 | glycogen branching enzyme; Provisional |
631-789 | 3.16e-07 | |||||||||||||||
glycogen branching enzyme; Provisional Pssm-ID: 237794 [Multi-domain] Cd Length: 1224 Bit Score: 55.01 E-value: 3.16e-07
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| CBM_48 | pfam02922 | Carbohydrate-binding module 48 (Isoamylase N-terminal domain); This domain is found in a range ... |
461-550 | 5.46e-07 | |||||||||||||||
Carbohydrate-binding module 48 (Isoamylase N-terminal domain); This domain is found in a range of enzymes that act on branched substrates - isoamylase, pullulanase and branching enzyme. This family also contains the beta subunit of 5' AMP activated kinase. Pssm-ID: 427056 [Multi-domain] Cd Length: 80 Bit Score: 48.42 E-value: 5.46e-07
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| AmyAc_Amylosucrase | cd11324 | Alpha amylase catalytic domain found in Amylosucrase; Amylosucrase is a glucosyltransferase ... |
624-729 | 6.15e-07 | |||||||||||||||
Alpha amylase catalytic domain found in Amylosucrase; Amylosucrase is a glucosyltransferase that catalyzes the transfer of a D-glucopyranosyl moiety from sucrose onto an acceptor molecule. When the acceptor is another saccharide, only alpha-1,4 linkages are produced. Unlike most amylopolysaccharide synthases, it does not require any alpha-D-glucosyl nucleoside diphosphate substrate. In the presence of glycogen it catalyzes the transfer of a D-glucose moiety onto a glycogen branch, but in its absence, it hydrolyzes sucrose and synthesizes polymers, smaller maltosaccharides, and sucrose isoforms. The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200463 Cd Length: 536 Bit Score: 53.73 E-value: 6.15e-07
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| TreY | COG3280 | Maltooligosyltrehalose synthase [Carbohydrate transport and metabolism]; |
625-728 | 8.04e-07 | |||||||||||||||
Maltooligosyltrehalose synthase [Carbohydrate transport and metabolism]; Pssm-ID: 442511 [Multi-domain] Cd Length: 915 Bit Score: 53.66 E-value: 8.04e-07
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| PRK12568 | PRK12568 | glycogen branching enzyme; Provisional |
473-789 | 1.99e-06 | |||||||||||||||
glycogen branching enzyme; Provisional Pssm-ID: 139075 [Multi-domain] Cd Length: 730 Bit Score: 52.26 E-value: 1.99e-06
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| Metaviral_G | pfam09595 | Metaviral_G glycoprotein; This is a viral attachment glycoprotein from region G of metaviruses. ... |
20-148 | 4.01e-06 | |||||||||||||||
Metaviral_G glycoprotein; This is a viral attachment glycoprotein from region G of metaviruses. It is high in serine and threonine suggesting it is highly glycosylated. Pssm-ID: 462833 [Multi-domain] Cd Length: 183 Bit Score: 48.80 E-value: 4.01e-06
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| AmyAc_bac1_AmyA | cd11315 | Alpha amylase catalytic domain found in bacterial Alpha-amylases (also called 1, ... |
631-789 | 4.61e-06 | |||||||||||||||
Alpha amylase catalytic domain found in bacterial Alpha-amylases (also called 1,4-alpha-D-glucan-4-glucanohydrolase); AmyA (EC 3.2.1.1) catalyzes the hydrolysis of alpha-(1,4) glycosidic linkages of glycogen, starch, related polysaccharides, and some oligosaccharides. This group includes Firmicutes, Proteobacteria, Actinobacteria, and Cyanobacteria. The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200454 [Multi-domain] Cd Length: 352 Bit Score: 50.35 E-value: 4.61e-06
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| PRK06347 | PRK06347 | 1,4-beta-N-acetylmuramoylhydrolase; |
7-130 | 5.38e-06 | |||||||||||||||
1,4-beta-N-acetylmuramoylhydrolase; Pssm-ID: 180536 [Multi-domain] Cd Length: 592 Bit Score: 50.85 E-value: 5.38e-06
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| AmyAc_CMD_like | cd11337 | Alpha amylase catalytic domain found in cyclomaltodextrinases and related proteins; ... |
633-818 | 5.74e-06 | |||||||||||||||
Alpha amylase catalytic domain found in cyclomaltodextrinases and related proteins; Cyclomaltodextrinase (CDase; EC3.2.1.54), neopullulanase (NPase; EC 3.2.1.135), and maltogenic amylase (MA; EC 3.2.1.133) catalyze the hydrolysis of alpha-(1,4) glycosidic linkages on a number of substrates including cyclomaltodextrins (CDs), pullulan, and starch. These enzymes hydrolyze CDs and starch to maltose and pullulan to panose by cleavage of alpha-1,4 glycosidic bonds whereas alpha-amylases essentially lack activity on CDs and pullulan. They also catalyze transglycosylation of oligosaccharides to the C3-, C4- or C6-hydroxyl groups of various acceptor sugar molecules. Since these proteins are nearly indistinguishable from each other, they are referred to as cyclomaltodextrinases (CMDs). This group of CMDs is mainly bacterial. The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200476 [Multi-domain] Cd Length: 328 Bit Score: 49.83 E-value: 5.74e-06
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| AmyAc_euk_bac_CMD_like | cd11353 | Alpha amylase catalytic domain found in eukaryotic and bacterial cyclomaltodextrinases and ... |
627-789 | 7.23e-06 | |||||||||||||||
Alpha amylase catalytic domain found in eukaryotic and bacterial cyclomaltodextrinases and related proteins; Cyclomaltodextrinase (CDase; EC3.2.1.54), neopullulanase (NPase; EC 3.2.1.135), and maltogenic amylase (MA; EC 3.2.1.133) catalyze the hydrolysis of alpha-(1,4) glycosidic linkages on a number of substrates including cyclomaltodextrins (CDs), pullulan, and starch. These enzymes hydrolyze CDs and starch to maltose and pullulan to panose by cleavage of alpha-1,4 glycosidic bonds whereas alpha-amylases essentially lack activity on CDs and pullulan. They also catalyze transglycosylation of oligosaccharides to the C3-, C4- or C6-hydroxyl groups of various acceptor sugar molecules. Since these proteins are nearly indistinguishable from each other, they are referred to as cyclomaltodextrinases (CMDs). This group of CMDs is mainly bacterial. The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200490 [Multi-domain] Cd Length: 366 Bit Score: 49.87 E-value: 7.23e-06
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| YSIRK_signal | pfam04650 | YSIRK type signal peptide; Many surface proteins found in Streptococcus, Staphylococcus, and ... |
9-34 | 8.85e-06 | |||||||||||||||
YSIRK type signal peptide; Many surface proteins found in Streptococcus, Staphylococcus, and related lineages share apparently homologous signal sequences. A motif resembling [YF]SIRKxxxGxxS[VIA] appears at the start of the transmembrane domain. The GxxS motif appears perfectly conserved, suggesting a specific function and not just homology. There is a strong correlation between proteins carrying this region at the N-terminus and those carrying the Gram-positive anchor domain with the LPXTG sortase processing site at the C-terminus. Pssm-ID: 428049 [Multi-domain] Cd Length: 26 Bit Score: 43.53 E-value: 8.85e-06
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| PRK13335 | PRK13335 | superantigen-like protein SSL3; Reviewed; |
16-138 | 1.05e-05 | |||||||||||||||
superantigen-like protein SSL3; Reviewed; Pssm-ID: 139494 [Multi-domain] Cd Length: 356 Bit Score: 49.35 E-value: 1.05e-05
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| PRK09441 | PRK09441 | cytoplasmic alpha-amylase; Reviewed |
631-882 | 1.55e-05 | |||||||||||||||
cytoplasmic alpha-amylase; Reviewed Pssm-ID: 236518 [Multi-domain] Cd Length: 479 Bit Score: 49.12 E-value: 1.55e-05
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| LPXTG_anchor | TIGR01167 | LPXTG-motif cell wall anchor domain; This model describes the LPXTG motif-containing region ... |
1204-1238 | 2.50e-05 | |||||||||||||||
LPXTG-motif cell wall anchor domain; This model describes the LPXTG motif-containing region found at the C-terminus of many surface proteins of Streptococcus and Streptomyces species. Cleavage between the Thr and Gly by sortase or a related enzyme leads to covalent anchoring at the new C-terminal Thr to the cell wall. Hits that do not lie at the C-terminus or are not found in Gram-positive bacteria are probably false-positive. A common feature of this proteins containing this domain appears to be a high proportion of charged and zwitterionic residues immediatedly upstream of the LPXTG motif. This model differs from other descriptions of the LPXTG region by including a portion of that upstream charged region. [Cell envelope, Other] Pssm-ID: 273478 [Multi-domain] Cd Length: 34 Bit Score: 42.08 E-value: 2.50e-05
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| AmyAc_MTase_N | cd11335 | Alpha amylase catalytic domain found in maltosyltransferase; Maltosyltransferase (MTase), a ... |
599-747 | 5.81e-05 | |||||||||||||||
Alpha amylase catalytic domain found in maltosyltransferase; Maltosyltransferase (MTase), a maltodextrin glycosyltransferase, acts on starch and maltooligosaccharides. It catalyzes the transfer of maltosyl units from alpha-1,4-linked glucans or maltooligosaccharides to other alpha-1,4-linked glucans, maltooligosaccharides or glucose. MTase is a homodimer. The catalytic core domain has the (beta/alpha) 8 barrel fold with the active-site cleft formed at the C-terminal end of the barrel. Substrate binding experiments have led to the location of two distinct maltose-binding sites: one lies in the active-site cleft and the other is located in a pocket adjacent to the active-site cleft. It is a member of the alpha-amylase family, but unlike typical alpha-amylases, MTase does not require calcium for activity and lacks two histidine residues which are predicted to be critical for binding the glucose residue adjacent to the scissile bond in the substrates. The common reaction chemistry of the alpha-amylase family of enzymes is based on a two-step acid catalytic mechanism that requires two critical carboxylates: one acting as a general acid/base (Glu) and the other as a nucleophile (Asp). Both hydrolysis and transglycosylation proceed via the nucleophilic substitution reaction between the anomeric carbon, C1 and a nucleophile. The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200474 [Multi-domain] Cd Length: 538 Bit Score: 47.30 E-value: 5.81e-05
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| PRK11907 | PRK11907 | bifunctional 2',3'-cyclic-nucleotide 2'-phosphodiesterase/3'-nucleotidase; |
1158-1233 | 1.01e-04 | |||||||||||||||
bifunctional 2',3'-cyclic-nucleotide 2'-phosphodiesterase/3'-nucleotidase; Pssm-ID: 237019 [Multi-domain] Cd Length: 814 Bit Score: 46.77 E-value: 1.01e-04
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| PRK14949 | PRK14949 | DNA polymerase III subunits gamma and tau; Provisional |
49-196 | 1.13e-04 | |||||||||||||||
DNA polymerase III subunits gamma and tau; Provisional Pssm-ID: 237863 [Multi-domain] Cd Length: 944 Bit Score: 46.64 E-value: 1.13e-04
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| rplD | PRK14907 | 50S ribosomal protein L4; Provisional |
39-159 | 1.19e-04 | |||||||||||||||
50S ribosomal protein L4; Provisional Pssm-ID: 184900 [Multi-domain] Cd Length: 295 Bit Score: 45.71 E-value: 1.19e-04
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| PRK11907 | PRK11907 | bifunctional 2',3'-cyclic-nucleotide 2'-phosphodiesterase/3'-nucleotidase; |
31-144 | 1.36e-04 | |||||||||||||||
bifunctional 2',3'-cyclic-nucleotide 2'-phosphodiesterase/3'-nucleotidase; Pssm-ID: 237019 [Multi-domain] Cd Length: 814 Bit Score: 46.38 E-value: 1.36e-04
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| MSCRAMM_ClfA | NF033609 | MSCRAMM family adhesin clumping factor ClfA; Clumping factor A is an MSCRAMM (Microbial ... |
9-193 | 1.49e-04 | |||||||||||||||
MSCRAMM family adhesin clumping factor ClfA; Clumping factor A is an MSCRAMM (Microbial Surface Components Recognizing Adhesive Matrix Molecules). It is heavily studied in Staphylococcus aureus both for its biological role in adhesion and for its potential for vaccination. Features of the sequence, but also of other MSCRAMM adhesins, include a long run of Ser-Asp dipeptide repeats and a C-terminal cell wall anchoring LPXTG motif. Pssm-ID: 468110 [Multi-domain] Cd Length: 934 Bit Score: 46.06 E-value: 1.49e-04
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| PRK13914 | PRK13914 | invasion associated endopeptidase; |
25-140 | 2.55e-04 | |||||||||||||||
invasion associated endopeptidase; Pssm-ID: 237555 [Multi-domain] Cd Length: 481 Bit Score: 45.18 E-value: 2.55e-04
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| Gram_pos_anchor | pfam00746 | LPXTG cell wall anchor motif; |
1196-1238 | 3.92e-04 | |||||||||||||||
LPXTG cell wall anchor motif; Pssm-ID: 366278 [Multi-domain] Cd Length: 43 Bit Score: 39.06 E-value: 3.92e-04
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| AmyAc_Glg_debranch_2 | cd11327 | Alpha amylase catalytic domain found in glycogen debranching enzymes; Debranching enzymes ... |
619-729 | 2.04e-03 | |||||||||||||||
Alpha amylase catalytic domain found in glycogen debranching enzymes; Debranching enzymes facilitate the breakdown of glycogen through glucosyltransferase and glucosidase activity. These activities are performed by a single enzyme in mammals, yeast, and some bacteria, but by two distinct enzymes in Escherichia coli and other bacteria. Debranching enzymes perform two activities, 4-alpha-D-glucanotransferase (EC 2.4.1.25) and amylo-1,6-glucosidase (EC 3.2.1.33). 4-alpha-D-glucanotransferase catalyzes the endohydrolysis of 1,6-alpha-D-glucoside linkages at points of branching in chains of 1,4-linked alpha-D-glucose residues. Amylo-alpha-1,6-glucosidase catalyzes the endohydrolysis of 1,6-alpha-D-glucoside linkages at points of branching in chains of 1,4-linked alpha-D-glucose residues. The catalytic triad (DED), which is highly conserved in other debranching enzymes, is not present in this group. The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200466 Cd Length: 478 Bit Score: 42.23 E-value: 2.04e-03
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| AmyAc_bac_CMD_like | cd11354 | Alpha amylase catalytic domain found in bacterial cyclomaltodextrinases and related proteins; ... |
633-728 | 3.37e-03 | |||||||||||||||
Alpha amylase catalytic domain found in bacterial cyclomaltodextrinases and related proteins; Cyclomaltodextrinase (CDase; EC3.2.1.54), neopullulanase (NPase; EC 3.2.1.135), and maltogenic amylase (MA; EC 3.2.1.133) catalyze the hydrolysis of alpha-(1,4) glycosidic linkages on a number of substrates including cyclomaltodextrins (CDs), pullulan, and starch. These enzymes hydrolyze CDs and starch to maltose and pullulan to panose by cleavage of alpha-1,4 glycosidic bonds whereas alpha-amylases essentially lack activity on CDs and pullulan. They also catalyze transglycosylation of oligosaccharides to the C3-, C4- or C6-hydroxyl groups of various acceptor sugar molecules. Since these proteins are nearly indistinguishable from each other, they are referred to as cyclomaltodextrinases (CMDs). This group of CMDs is bacterial. The Alpha-amylase family comprises the largest family of glycoside hydrolases (GH), with the majority of enzymes acting on starch, glycogen, and related oligo- and polysaccharides. These proteins catalyze the transformation of alpha-1,4 and alpha-1,6 glucosidic linkages with retention of the anomeric center. The protein is described as having 3 domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a loop between the beta 3 strand and alpha 3 helix of A; C is the C-terminal extension characterized by a Greek key. The majority of the enzymes have an active site cleft found between domains A and B where a triad of catalytic residues (Asp, Glu and Asp) performs catalysis. Other members of this family have lost the catalytic activity as in the case of the human 4F2hc, or only have 2 residues that serve as the catalytic nucleophile and the acid/base, such as Thermus A4 beta-galactosidase with 2 Glu residues (GH42) and human alpha-galactosidase with 2 Asp residues (GH31). The family members are quite extensive and include: alpha amylase, maltosyltransferase, cyclodextrin glycotransferase, maltogenic amylase, neopullulanase, isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase, 4-alpha-glucotransferase, oligo-1,6-glucosidase, amylosucrase, sucrose phosphorylase, and amylomaltase. Pssm-ID: 200491 [Multi-domain] Cd Length: 357 Bit Score: 41.16 E-value: 3.37e-03
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| Pullul_strch_C | pfam11852 | Alpha-1,6-glucosidases, pullulanase-type, C-terminal; This entry represents the ... |
1035-1105 | 4.39e-03 | |||||||||||||||
Alpha-1,6-glucosidases, pullulanase-type, C-terminal; This entry represents the uncharacterized C-terminal domain of secreted (or membrane-anchored) pullulanases of Gram-negative bacteria and pullulanase-type starch debranching enzymes of plants. Both enzymes hydrolyse alpha-1,6 glycosidic linkages. Pullulan is an unusual, industrially important polysaccharide in which short alpha-1,4 chains (maltotriose) are connected in alpha-1,6 linkages. Enzymes that cleave alpha-1,6 linkages in pullulan and release maltotriose are called pullulanases although pullulan itself may not be the natural substrate. Pssm-ID: 432130 [Multi-domain] Cd Length: 167 Bit Score: 39.48 E-value: 4.39e-03
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| E_set_GDE_N | cd11234 | N-terminal Early set domain associated with the catalytic domain of Glycogen debranching ... |
463-554 | 8.35e-03 | |||||||||||||||
N-terminal Early set domain associated with the catalytic domain of Glycogen debranching enzyme; E or "early" set domains are associated with the catalytic domain of the glycogen debranching enzyme at the N-terminal end. Glycogen debranching enzymes have both 4-alpha-glucanotransferase and amylo-1,6-glucosidase activities. As a transferase, it transfers a segment of a 1,4-alpha-D-glucan to a new 4-position in an acceptor, which may be glucose or another 1,4-alpha-D-glucan. As a glucosidase, it catalyzes the endohydrolysis of 1,6-alpha-D-glucoside linkages at points of branching in chains of 1,4-linked alpha-D-glucose residues. The N-terminal domain of the glycogen debranching enzyme may be related to the immunoglobulin and/or fibronectin type III superfamilies. These domains are associated with different types of catalytic domains at either the N-terminal or C-terminal end and may be involved in homodimeric/tetrameric/dodecameric interactions. Members of this family include members of the alpha amylase family, sialidase, galactose oxidase, cellulase, cellulose, hyaluronate lyase, chitobiase, and chitinase. This domain is also a member of the CBM48 (Carbohydrate Binding Module 48) family whose members include pullulanase, maltooligosyl trehalose synthase, starch branching enzyme, glycogen branching enzyme, isoamylase, and the beta subunit of AMP-activated protein kinase. Pssm-ID: 199893 [Multi-domain] Cd Length: 101 Bit Score: 37.20 E-value: 8.35e-03
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| hDGE_amylase | pfam14701 | Glycogen debranching enzyme, glucanotransferase domain; This is a glucanotransferase catalytic ... |
694-729 | 8.64e-03 | |||||||||||||||
Glycogen debranching enzyme, glucanotransferase domain; This is a glucanotransferase catalytic domain of the eukaryotic variant of the glycogen debranching enzyme (GDE). The eukaryotic GDEs performs two functions: 4-alpha-D-glucanotransferase, EC:2.4.1.25, and Amylo-alpha-1,6-glucosidase, EC:3.2.1.33, performed by the, respectively N- and C- terminal halves of eukaryotic GDE enzymes. The domain is a catalytic domain responsible for the glucanotransferase function. It belongs to the alpha-amylase clan and is predicted to have a structure of a 8-stranded alpha/beta barrel (TIM barrel) where strands are interrupted by long loops and additional mini-domains. In most other amylases, the catalytic domain is followed by a beta- barrel substrate binding domain, but presence of such a domain cannot be verified in the human (and other eukaryotic) GDE enzymes. Pssm-ID: 434141 Cd Length: 439 Bit Score: 40.28 E-value: 8.64e-03
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