rod shape-determining protein MreB [Klebsiella variicola]
Protein Classification
rod shape-determining protein( domain architecture ID 11487002)
rod shape-determining protein assembles into large fibrous spirals beneath the cell membrane and determines the shape of rod-like bacterial cells
List of domain hits
| Name | Accession | Description | Interval | E-value | ||||||
| PRK13927 | PRK13927 | rod shape-determining protein MreB; Provisional |
6-345 | 0e+00 | ||||||
rod shape-determining protein MreB; Provisional : Pssm-ID: 237562 [Multi-domain] Cd Length: 334 Bit Score: 676.04 E-value: 0e+00
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| Name | Accession | Description | Interval | E-value | ||||||
| PRK13927 | PRK13927 | rod shape-determining protein MreB; Provisional |
6-345 | 0e+00 | ||||||
rod shape-determining protein MreB; Provisional Pssm-ID: 237562 [Multi-domain] Cd Length: 334 Bit Score: 676.04 E-value: 0e+00
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| mreB | TIGR00904 | cell shape determining protein, MreB/Mrl family; MreB (mecillinam resistance) in E. coli (also ... |
9-341 | 0e+00 | ||||||
cell shape determining protein, MreB/Mrl family; MreB (mecillinam resistance) in E. coli (also called envB) and the paralogous pair MreB and Mrl of Bacillus subtilis have all been shown to help determine cell shape. This protein is present in a wide variety of bacteria, including spirochetes, but is missing from the Mycoplasmas and from Gram-positive cocci. Most completed bacterial genomes have a single member of this family. In some species it is an essential gene. A close homolog is found in the Archaeon Methanobacterium thermoautotrophicum, and a more distant homolog in Archaeoglobus fulgidus. The family is related to cell division protein FtsA and heat shock protein DnaK. [Cell envelope, Biosynthesis and degradation of murein sacculus and peptidoglycan] Pssm-ID: 129982 [Multi-domain] Cd Length: 333 Bit Score: 607.87 E-value: 0e+00
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| MreB | COG1077 | Cell shape-determining ATPase MreB, actin-like superfamily [Cell cycle control, cell division, ... |
5-347 | 0e+00 | ||||||
Cell shape-determining ATPase MreB, actin-like superfamily [Cell cycle control, cell division, chromosome partitioning, Cytoskeleton]; Pssm-ID: 440695 [Multi-domain] Cd Length: 339 Bit Score: 596.67 E-value: 0e+00
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| MreB_Mbl | pfam06723 | MreB/Mbl protein; This family consists of bacterial MreB and Mbl proteins as well as two ... |
10-339 | 0e+00 | ||||||
MreB/Mbl protein; This family consists of bacterial MreB and Mbl proteins as well as two related archaeal sequences. MreB is known to be a rod shape-determining protein in bacteria and goes to make up the bacterial cytoskeleton. Genes coding for MreB/Mbl are only found in elongated bacteria, not in coccoid forms. It has been speculated that constituents of the eukaryotic cytoskeleton (tubulin, actin) may have evolved from prokaryotic precursor proteins closely related to today's bacterial proteins FtsZ and MreB/Mbl. Pssm-ID: 399596 [Multi-domain] Cd Length: 327 Bit Score: 553.70 E-value: 0e+00
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| ASKHA_NBD_MreB-like | cd10225 | nucleotide-binding domain (NBD) of the cell shape-determining proteins MreB, Mbl, MreBH and ... |
12-333 | 0e+00 | ||||||
nucleotide-binding domain (NBD) of the cell shape-determining proteins MreB, Mbl, MreBH and similar proteins; MreB proteins are bacterial actin homologs that may play a role in cell shape determination by positioning the cell wall synthetic machinery. MreB has also been implicated in chromosome segregation; specifically, MreB is thought to bind to and segregate the replication origin of bacterial chromosomes. The family includes three MreB isoforms, MreB (also called actin-like MreB protein or rod shape-determining protein MreB), Mbl (also called actin-like Mbl protein or rod shape-determining protein Mbl) and MreBH (also called actin-like MreBH protein or rod shape-determining protein MreBH), in cell morphogenesis of Bacillus subtilis. All isoforms can support rod-shaped cell growth normal conditions. They form membrane-associated dynamic filaments that are essential for cell shape determination. They act by regulating cell wall synthesis and cell elongation, and thus cell shape. The feedback loops between cell geometry and their localizations may maintain elongated cell shape by targeting cell wall growth to regions of negative cell wall curvature. Filaments rotate around the cell circumference in concert with the cell wall synthesis enzymes. The process is driven by the cell wall synthesis machinery and does not depend on their polymerization. They organize peptidoglycan synthesis in the lateral cell wall. MreB, Mbl and MreBH can form a complex. The MreB-like family belongs to the ASKHA (Acetate and Sugar Kinases/Hsc70/Actin) superfamily, all members of which share a common characteristic five-stranded beta sheet occurring in both the N- and C-terminal domains. Pssm-ID: 466824 [Multi-domain] Cd Length: 317 Bit Score: 542.45 E-value: 0e+00
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| Name | Accession | Description | Interval | E-value | |||||||
| PRK13927 | PRK13927 | rod shape-determining protein MreB; Provisional |
6-345 | 0e+00 | |||||||
rod shape-determining protein MreB; Provisional Pssm-ID: 237562 [Multi-domain] Cd Length: 334 Bit Score: 676.04 E-value: 0e+00
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| mreB | TIGR00904 | cell shape determining protein, MreB/Mrl family; MreB (mecillinam resistance) in E. coli (also ... |
9-341 | 0e+00 | |||||||
cell shape determining protein, MreB/Mrl family; MreB (mecillinam resistance) in E. coli (also called envB) and the paralogous pair MreB and Mrl of Bacillus subtilis have all been shown to help determine cell shape. This protein is present in a wide variety of bacteria, including spirochetes, but is missing from the Mycoplasmas and from Gram-positive cocci. Most completed bacterial genomes have a single member of this family. In some species it is an essential gene. A close homolog is found in the Archaeon Methanobacterium thermoautotrophicum, and a more distant homolog in Archaeoglobus fulgidus. The family is related to cell division protein FtsA and heat shock protein DnaK. [Cell envelope, Biosynthesis and degradation of murein sacculus and peptidoglycan] Pssm-ID: 129982 [Multi-domain] Cd Length: 333 Bit Score: 607.87 E-value: 0e+00
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| MreB | COG1077 | Cell shape-determining ATPase MreB, actin-like superfamily [Cell cycle control, cell division, ... |
5-347 | 0e+00 | |||||||
Cell shape-determining ATPase MreB, actin-like superfamily [Cell cycle control, cell division, chromosome partitioning, Cytoskeleton]; Pssm-ID: 440695 [Multi-domain] Cd Length: 339 Bit Score: 596.67 E-value: 0e+00
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| PRK13930 | PRK13930 | rod shape-determining protein MreB; Provisional |
4-339 | 0e+00 | |||||||
rod shape-determining protein MreB; Provisional Pssm-ID: 237564 [Multi-domain] Cd Length: 335 Bit Score: 576.31 E-value: 0e+00
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| MreB_Mbl | pfam06723 | MreB/Mbl protein; This family consists of bacterial MreB and Mbl proteins as well as two ... |
10-339 | 0e+00 | |||||||
MreB/Mbl protein; This family consists of bacterial MreB and Mbl proteins as well as two related archaeal sequences. MreB is known to be a rod shape-determining protein in bacteria and goes to make up the bacterial cytoskeleton. Genes coding for MreB/Mbl are only found in elongated bacteria, not in coccoid forms. It has been speculated that constituents of the eukaryotic cytoskeleton (tubulin, actin) may have evolved from prokaryotic precursor proteins closely related to today's bacterial proteins FtsZ and MreB/Mbl. Pssm-ID: 399596 [Multi-domain] Cd Length: 327 Bit Score: 553.70 E-value: 0e+00
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| ASKHA_NBD_MreB-like | cd10225 | nucleotide-binding domain (NBD) of the cell shape-determining proteins MreB, Mbl, MreBH and ... |
12-333 | 0e+00 | |||||||
nucleotide-binding domain (NBD) of the cell shape-determining proteins MreB, Mbl, MreBH and similar proteins; MreB proteins are bacterial actin homologs that may play a role in cell shape determination by positioning the cell wall synthetic machinery. MreB has also been implicated in chromosome segregation; specifically, MreB is thought to bind to and segregate the replication origin of bacterial chromosomes. The family includes three MreB isoforms, MreB (also called actin-like MreB protein or rod shape-determining protein MreB), Mbl (also called actin-like Mbl protein or rod shape-determining protein Mbl) and MreBH (also called actin-like MreBH protein or rod shape-determining protein MreBH), in cell morphogenesis of Bacillus subtilis. All isoforms can support rod-shaped cell growth normal conditions. They form membrane-associated dynamic filaments that are essential for cell shape determination. They act by regulating cell wall synthesis and cell elongation, and thus cell shape. The feedback loops between cell geometry and their localizations may maintain elongated cell shape by targeting cell wall growth to regions of negative cell wall curvature. Filaments rotate around the cell circumference in concert with the cell wall synthesis enzymes. The process is driven by the cell wall synthesis machinery and does not depend on their polymerization. They organize peptidoglycan synthesis in the lateral cell wall. MreB, Mbl and MreBH can form a complex. The MreB-like family belongs to the ASKHA (Acetate and Sugar Kinases/Hsc70/Actin) superfamily, all members of which share a common characteristic five-stranded beta sheet occurring in both the N- and C-terminal domains. Pssm-ID: 466824 [Multi-domain] Cd Length: 317 Bit Score: 542.45 E-value: 0e+00
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| PRK13928 | PRK13928 | rod shape-determining protein Mbl; Provisional |
8-338 | 1.11e-177 | |||||||
rod shape-determining protein Mbl; Provisional Pssm-ID: 237563 [Multi-domain] Cd Length: 336 Bit Score: 495.58 E-value: 1.11e-177
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| PRK13929 | PRK13929 | rod-share determining protein MreBH; Provisional |
8-337 | 1.44e-123 | |||||||
rod-share determining protein MreBH; Provisional Pssm-ID: 184403 [Multi-domain] Cd Length: 335 Bit Score: 358.45 E-value: 1.44e-123
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| ASKHA_NBD_MamK | cd24009 | nucleotide-binding domain (NBD) of the actin-like protein MamK family; MamK, also called ... |
13-335 | 2.30e-28 | |||||||
nucleotide-binding domain (NBD) of the actin-like protein MamK family; MamK, also called magnetosome cytoskeleton protein MamK, is a protein with ATPase activity which forms dynamic cytoplasmic filaments (probably with paralog MamK-like) that may organize magnetosomes into long chains running parallel to the long axis of the cell. Turnover of MamK filaments is probably promoted by MamK-like (e.g.. MamJ and/or LimJ), which provides a monomer pool. MamK forms twisted filaments in the presence of ATP or GTP. It serves to close gaps between magnetosomes in the chain. Interaction with MCP10 is involved in controlling the response to magnetic fields, possibly by controlling flagellar rotation. The MamK family belongs to the ASKHA (Acetate and Sugar Kinases/Hsc70/Actin) superfamily, all members of which share a common characteristic five-stranded beta sheet occurring in both the N- and C-terminal domains. Pssm-ID: 466859 [Multi-domain] Cd Length: 328 Bit Score: 112.30 E-value: 2.30e-28
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| DnaK | COG0443 | Molecular chaperone DnaK (HSP70) [Posttranslational modification, protein turnover, chaperones] ... |
15-328 | 3.15e-27 | |||||||
Molecular chaperone DnaK (HSP70) [Posttranslational modification, protein turnover, chaperones]; Pssm-ID: 440212 [Multi-domain] Cd Length: 473 Bit Score: 111.45 E-value: 3.15e-27
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| ASKHA_NBD_HSP70 | cd10170 | nucleotide-binding domain (NBD) of the HSP70 family; HSP70 (70-kDa heat shock protein) family ... |
13-328 | 1.11e-25 | |||||||
nucleotide-binding domain (NBD) of the HSP70 family; HSP70 (70-kDa heat shock protein) family chaperones assist in protein folding and assembly and can direct incompetent "client" proteins towards degradation. Typically, HSP70s have a nucleotide-binding domain (NBD) and a substrate-binding domain (SBD). The nucleotide sits in a deep cleft formed between the two lobes of the NBD. The two subdomains of each lobe change conformation between ATP-bound, ADP-bound, and nucleotide-free states. ATP binding opens up the substrate-binding site; substrate-binding increases the rate of ATP hydrolysis. HSP70 chaperone activity is regulated by various co-chaperones: J-domain proteins and nucleotide exchange factors (NEFs). Some HSP70 family members are not chaperones but instead, function as NEFs to remove ADP from their HSP70 chaperone partners during the ATP hydrolysis cycle, some may function as both chaperones and NEFs. The HSP70 family belongs to the ASKHA (Acetate and Sugar Kinases/Hsc70/Actin) superfamily, all members of which share a common characteristic five-stranded beta sheet occurring in both the N- and C-terminal domains. Pssm-ID: 466811 [Multi-domain] Cd Length: 329 Bit Score: 104.88 E-value: 1.11e-25
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| ASKHA_NBD_HSP70_DnaK_HscA_HscC | cd24029 | nucleotide-binding domain (NBD) of Escherichia coli chaperone proteins DnaK, HscA, HscC and ... |
15-328 | 1.16e-25 | |||||||
nucleotide-binding domain (NBD) of Escherichia coli chaperone proteins DnaK, HscA, HscC and similar proteins; Escherichia coli DnaK, also called heat shock 70 kDa protein/HSP70, plays an essential role in the initiation of phage lambda DNA replication, where it acts in an ATP-dependent fashion with the DnaJ protein to release lambda O and P proteins from the preprimosomal complex. DnaK is also involved in chromosomal DNA replication, possibly through an analogous interaction with the DnaA protein. Moreover, DnaK participates actively in the response to hyperosmotic shock. Escherichia coli HscA, also called Hsc66, acts as a chaperone involved in the maturation of iron-sulfur cluster-containing proteins. It has a low intrinsic ATPase activity which is markedly stimulated by HscB. It is involved in the maturation of IscU. Escherichia coli HscC, also called Hsc62, or YbeW, may act as the chaperone. It has ATPase activity. It cannot be stimulated by DnaJ. The family also includes Saccharomyces cerevisiae stress-seventy subfamily C proteins, Ssc1p (also called import motor subunit, mitochondrial; endonuclease SceI 75 kDa subunit; mtHSP70; ENS1; endonuclease SceI 75 kDa subunit) and Ssc3p (also called extracellular mutant protein 10/Ecm10), and Saccharomyces cerevisiae Stress-seventy subfamily Q protein 1/Ssq1p (also called Ssc2p; Ssh1p; mtHSP70 homolog). They all belong to the heat shock protein 70 (HSP70) family of chaperones that assist in protein folding and assembly, and can direct incompetent "client" proteins towards degradation. Typically, HSP70s have a nucleotide-binding domain (NBD) and a substrate-binding domain (SBD). The nucleotide sits in a deep cleft formed between the two lobes of the NBD. The two subdomains of each lobe change conformation between ATP-bound, ADP-bound, and nucleotide-free states. ATP binding opens up the substrate-binding site; substrate-binding increases the rate of ATP hydrolysis. Hsp70 chaperone activity is regulated by various co-chaperones: J-domain proteins and nucleotide exchange factors (NEFs); for Escherichia coli DnaK, these are the DnaJ and GrpE, respectively. Pssm-ID: 466879 [Multi-domain] Cd Length: 351 Bit Score: 105.35 E-value: 1.16e-25
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| FtsA | pfam14450 | Cell division protein FtsA; FtsA is essential for bacterial cell division, and co-localizes to ... |
162-319 | 2.69e-17 | |||||||
Cell division protein FtsA; FtsA is essential for bacterial cell division, and co-localizes to the septal ring with FtsZ. It has been suggested that the interaction of FtsA-FtsZ has arisen through coevolution in different bacterial strains. The FtsA protein contains two structurally related actin-like ATPase domains which are also structurally related to the ATPase domains of HSP70 (see PF00012). FtsA has a SHS2 domain PF02491 inserted in to the RnaseH fold PF02491. Pssm-ID: 464177 [Multi-domain] Cd Length: 167 Bit Score: 78.14 E-value: 2.69e-17
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| FtsA | COG0849 | Cell division ATPase FtsA [Cell cycle control, cell division, chromosome partitioning]; |
126-318 | 6.58e-17 | |||||||
Cell division ATPase FtsA [Cell cycle control, cell division, chromosome partitioning]; Pssm-ID: 440610 [Multi-domain] Cd Length: 402 Bit Score: 80.95 E-value: 6.58e-17
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| ASKHA_NBD_PilM-like | cd24004 | nucleotide-binding domain (NBD) of the PilM-like domain family; The PilM-like family includes ... |
74-315 | 1.00e-15 | |||||||
nucleotide-binding domain (NBD) of the PilM-like domain family; The PilM-like family includes type IV pilus inner membrane component PilM, cell division protein FtsA, and ethanolamine utilization protein EutJ. PilM is an inner membrane component of the type IV (T4S) secretion system that plays a role in surface and host cell adhesion, colonization, biofilm maturation, virulence, and twitching, a form of surface-associated motility. FtsA is an essential cell division protein that assists in the assembly of the Z ring. It may serve as the principal membrane anchor for the Z ring. It is also required for the recruitment to the septal ring of the downstream cell division proteins FtsK, FtsQ, FtsL, FtsI and FtsN. EutJ may protect ethanolamine ammonia-lyase (EAL, eutB-eutC) from inhibition. It may also function in assembling the bacterial microcompartment and/or in refolding EAL, suggesting it may have chaperone activity. Members in PilM-like family belong to the ASKHA (Acetate and Sugar Kinases/Hsc70/Actin) superfamily of phosphotransferases, all members of which share a common characteristic five-stranded beta sheet occurring in both the N- and C-terminal domains. Pssm-ID: 466854 [Multi-domain] Cd Length: 282 Bit Score: 76.18 E-value: 1.00e-15
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| ASKHA_NBD_FtsA | cd24048 | nucleotide-binding domain (NBD) of cell division protein FtsA and similar proteins; FtsA is an ... |
126-315 | 1.28e-15 | |||||||
nucleotide-binding domain (NBD) of cell division protein FtsA and similar proteins; FtsA is an essential cell division protein that assists in the assembly of the Z ring. It may serve as the principal membrane anchor for the Z ring. It is also required for the recruitment to the septal ring of the downstream cell division proteins FtsK, FtsQ, FtsL, FtsI and FtsN. FtsA binds ATP. FtsA interacts with FtsZ. This interaction plays an essential role in cell division. Pssm-ID: 466898 [Multi-domain] Cd Length: 372 Bit Score: 76.80 E-value: 1.28e-15
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| ASKHA_NBD_PilM | cd24049 | nucleotide-binding domain (NBD) of type IV pilus inner membrane component PilM and similar ... |
109-339 | 1.26e-14 | |||||||
nucleotide-binding domain (NBD) of type IV pilus inner membrane component PilM and similar proteins; PilM is an inner membrane component of the type IV (T4S) secretion system that plays a role in surface and host cell adhesion, colonization, biofilm maturation, virulence, and twitching, a form of surface-associated motility. PilN/PilO heterodimers form the foundation of the inner-membrane PilM/PilN/PilO/PilP complex which plays an essential role in the assembly of a functional T4 pilus. In turn, PilM associates with PilN and facilitates PilM functionally relevant structural changes that differentially impacts PilM binding to PilB, PilT, and PilC. Pssm-ID: 466899 [Multi-domain] Cd Length: 339 Bit Score: 73.85 E-value: 1.26e-14
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| ASKHA_NBD_HSP70_HscC | cd10235 | nucleotide-binding domain (NBD) of Escherichia coli chaperone protein HscC and similar ... |
15-330 | 1.38e-12 | |||||||
nucleotide-binding domain (NBD) of Escherichia coli chaperone protein HscC and similar proteins; Escherichia coli HscC, also called Hsc62, or YbeW, may act as the chaperone. It has ATPase activity. It cannot be stimulated by DnaJ. Members in this subfamily belong to the heat shock protein 70 (Hsp70) family of chaperones that assist in protein folding and assembly and can direct incompetent "client" proteins towards degradation. Typically, Hsp70s have a nucleotide-binding domain (NBD) and a substrate-binding domain (SBD). The nucleotide sits in a deep cleft formed between the two lobes of the NBD. The two subdomains of each lobe change conformation between ATP-bound, ADP-bound, and nucleotide-free states. ATP binding opens up the substrate-binding site; substrate-binding increases the rate of ATP hydrolysis. Hsp70 chaperone activity is regulated by various co-chaperones: J-domain proteins and nucleotide exchange factors (NEFs). Two genes in the vicinity of the HscC gene code for potential cochaperones: J-domain containing proteins, DjlB/YbeS and DjlC/YbeV. HscC and its co-chaperone partners may play a role in the SOS DNA damage response. HscC does not appear to require a NEF. Pssm-ID: 466833 [Multi-domain] Cd Length: 343 Bit Score: 67.65 E-value: 1.38e-12
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| ASKHA_NBD_HSP70_HSPA1-like | cd24028 | nucleotide-binding domain (NBD) of the 70-kDa heat shock protein 1 (HSPA1)-like family; The ... |
15-202 | 7.45e-12 | |||||||
nucleotide-binding domain (NBD) of the 70-kDa heat shock protein 1 (HSPA1)-like family; The HSPA1-like family includes human HSPA1A (70-kDa heat shock protein 1A, also known as HSP72; HSPA1; HSP70I; HSPA1B; HSP70-1; HSP70-1A), HSPA1B (70-kDa heat shock protein 1B, also known as HSPA1A; HSP70-2; HSP70-1B), and HSPA1L (70-kDa heat shock protein 1-like, also known as HSP70T; hum70t; HSP70-1L; HSP70-HOM), HSPA2 (70-kDa heat shock protein 2, also known as HSP70-2; HSP70-3), BiP (also known as HSP70 family protein 5 /HSPA5; 70-kDa heat shock protein 5; glucose-regulated protein 78/GRP78; immunoglobulin heavy chain-binding protein), HSPA6 (also known as heat shock 70kDa protein 6; HSP70B'), HSPA7 (heat shock 70kDa protein 7 , also known as HSP70B), HSPA8 (heat shock 70kDa protein 8, also known as Lipopolysaccharide-associated protein 1/LAP1; HSC70; HSP73; HSPA10), HSPA13 (also known as 70-kDa heat shock protein 13; STCH; microsomal stress-70 protein ATPase core; stress-70 protein chaperone microsome-associated 60 kDa protein), as well as Saccharmoyces cerevisiae Hsp70 chaperone Ssb1-2 and heat shock protein Ssa1-4. HSPA1A/1B, HSPA1L, HSPA2 and HSPA6-8 are molecular chaperones implicated in a wide variety of cellular processes, including protection of the proteome from stress, folding and transport of newly synthesized polypeptides, activation of proteolysis of misfolded proteins and the formation and dissociation of protein complexes. They play pivotal roles in the protein quality control system, ensuring the correct folding of proteins, the re-folding of misfolded proteins and controlling the targeting of proteins for subsequent degradation. BiP plays a key role in protein folding and quality control in the endoplasmic reticulum lumen. It plays an auxiliary role in post-translational transport of small presecretory proteins across endoplasmic reticulum (ER). HSPA13 has peptide-independent ATPase activity. All family members belong to the heat shock protein 70 (HSP70) family of chaperones that assist in protein folding and assembly and can direct incompetent "client" proteins towards degradation. Typically, HSP70s have a nucleotide-binding domain (NBD) and a substrate-binding domain (SBD). The nucleotide sits in a deep cleft formed between the two lobes of the NBD. The two subdomains of each lobe change conformation between ATP-bound, ADP-bound, and nucleotide-free states. ATP binding opens up the substrate-binding site; substrate-binding increases the rate of ATP hydrolysis. HSP70 chaperone activity is regulated by various co-chaperones: J-domain proteins and nucleotide exchange factors (NEFs). Pssm-ID: 466878 [Multi-domain] Cd Length: 376 Bit Score: 65.61 E-value: 7.45e-12
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| ASKHA_NBD_HSP70_HSPA14 | cd10238 | nucleotide-binding domain (NBD) of heat shock 70 kDa protein 14 (HSPA14) and similar proteins; ... |
86-201 | 1.54e-11 | |||||||
nucleotide-binding domain (NBD) of heat shock 70 kDa protein 14 (HSPA14) and similar proteins; HSPA14, also called HSP70-like protein 1 (Hsp70L1), or heat shock protein HSP60, is a component of the ribosome-associated complex (RAC), a complex involved in folding or maintaining nascent polypeptides in a folding-competent state. In the RAC complex, HSPA14 binds to the nascent polypeptide chain, while DNAJC2 stimulates its ATPase activity. It belongs to the heat shock protein 70 (HSP70) family of chaperones that assist in protein folding and assembly and can direct incompetent "client" proteins towards degradation. Typically, HSP70s have a nucleotide-binding domain (NBD) and a substrate-binding domain (SBD). The nucleotide sits in a deep cleft formed between the two lobes of the NBD. The two subdomains of each lobe change conformation between ATP-bound, ADP-bound, and nucleotide-free states. ATP binding opens up the substrate-binding site; substrate-binding increases the rate of ATP hydrolysis. Pssm-ID: 466836 [Multi-domain] Cd Length: 377 Bit Score: 64.96 E-value: 1.54e-11
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| ASKHA_NBD_HSP70_HSP105-110-like | cd11732 | nucleotide-binding domain (NBD) of the 105/110 kDa heat shock protein family; The 105/110 kDa ... |
15-328 | 2.20e-11 | |||||||
nucleotide-binding domain (NBD) of the 105/110 kDa heat shock protein family; The 105/110 kDa heat shock proteins family includes the human proteins, HSPA4 (also known as 70-kDa heat shock protein 4; APG-2; HS24/P52; hsp70 RY; HSPH2), HSPA4L (also known as 70-kDa heat shock protein 4-like; APG-1; HSPH3; OSP94), and HSPH1 (also known as heat shock 105kDa/110kDa protein 1; HSP105; HSP105A; HSP105B; NY-CO-25), Saccharomyces cerevisiae Sse1p, Sse2p and a sea urchin sperm receptor. They all belong to the heat shock protein 70 (HSP70) family of chaperones that assist in protein folding and assembly and can direct incompetent "client" proteins towards degradation. Typically, HSP70s have a nucleotide-binding domain (NBD) and a substrate-binding domain (SBD). The nucleotide sits in a deep cleft formed between the two lobes of the NBD. The two subdomains of each lobe change conformation between ATP-bound, ADP-bound, and nucleotide-free states. ATP binding opens up the substrate-binding site; substrate-binding increases the rate of ATP hydrolysis. HSP70 chaperone activity is regulated by various co-chaperones: J-domain proteins and nucleotide exchange factors (NEFs). Pssm-ID: 466838 [Multi-domain] Cd Length: 377 Bit Score: 64.12 E-value: 2.20e-11
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| ASKHA_NBD_ScArp9-like | cd10208 | nucleotide-binding domain (NBD) of Saccharomyces cerevisiae actin-related protein 9 (Arp9) and ... |
70-309 | 2.97e-11 | |||||||
nucleotide-binding domain (NBD) of Saccharomyces cerevisiae actin-related protein 9 (Arp9) and similar proteins; Saccharomyces cerevisiae Arp9, also called actin-like protein 9, chromatin structure-remodeling complex protein ARP9, or SWI/SNF complex component ARP9, is a component of the chromatin structure remodeling complex (RSC), which is involved in transcription regulation and nucleosome positioning. It is also part of the SWI/SNF complex, an ATP-dependent chromatin remodeling complex, which is required for the positive and negative regulation of gene expression of many genes. Arp9 forms a stable heterodimer with Arp7 protein in both the RSC and SWI/SNF chromatin-remodeling complexes. It has been suggested that this dimer functions as a module with DNA bending proteins, to achieve correct architecture and facilitate complex-complex interactions. Fission yeast SWI/SNF and RSC complexes do not contain Arp7 and Arp8, but instead contain Arp9 and Arp42. Pssm-ID: 466814 Cd Length: 356 Bit Score: 63.87 E-value: 2.97e-11
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| ASKHA_NBD_HSP70_HYOU1 | cd10230 | nucleotide-binding domain (NBD) of hypoxia up-regulated protein 1 (HYOU1) and similar proteins; ... |
13-201 | 3.71e-11 | |||||||
nucleotide-binding domain (NBD) of hypoxia up-regulated protein 1 (HYOU1) and similar proteins; This subgroup includes human HYOU1 (also known as human hypoxia up-regulated 1, 170 kDa glucose-regulated protein/GRP170; HSP12A; 150 kDa oxygen-regulated protein/ORP150; GRP-170; ORP-150) and Saccharomyces cerevisiae Lhs1p (also known as Cer1p, SsI1). Mammalian HYOU1 has a pivotal role in cytoprotective cellular mechanisms triggered by oxygen deprivation. It may play a role as a molecular chaperone and participate in protein folding. HYOU1 functions as a nucleotide exchange factor (NEF) for HSPA5 (also known as BiP, Grp78 or HspA5) and may also act as a HSPA5-independent chaperone. S. cerevisiae Lhs1p, does not have a detectable endogenous ATPase activity like canonical HSP70s, but functions as a NEF for Kar2p; it's interaction with Kar2p is stimulated by nucleotide-binding. In addition, Lhs1p has a nucleotide-independent holdase activity that prevents heat-induced aggregation of proteins in vitro. Members in this subgroup belong to the heat shock protein 70 (HSP70) family of chaperones that assist in protein folding and assembly and can direct incompetent "client" proteins towards degradation. Typically, HSP70s have a nucleotide-binding domain (NBD) and a substrate-binding domain (SBD). The nucleotide sits in a deep cleft formed between the two lobes of the NBD. The two subdomains of each lobe change conformation between ATP-bound, ADP-bound, and nucleotide-free states. ATP binding opens up the substrate-binding site; substrate-binding increases the rate of ATP hydrolysis. HSP70 chaperone activity is regulated by various co-chaperones: J-domain proteins and nucleotide exchange factors (NEFs). Pssm-ID: 466828 [Multi-domain] Cd Length: 353 Bit Score: 63.28 E-value: 3.71e-11
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| ASKHA_NBD_HSP70_HscA | cd10236 | nucleotide-binding domain (NBD) of Escherichia coli chaperone protein HscA and similar ... |
15-203 | 6.80e-11 | |||||||
nucleotide-binding domain (NBD) of Escherichia coli chaperone protein HscA and similar proteins; Escherichia coli HscA, also called Hsc66, acts as a chaperone involved in the maturation of iron-sulfur cluster-containing proteins. It has a low intrinsic ATPase activity which is markedly stimulated by HscB. It is involved in the maturation of IscU. Members in this subfamily belong to the heat shock protein 70 (HSP70) family of chaperones that assist in protein folding and assembly and can direct incompetent "client" proteins towards degradation. Typically, HSP70s have a nucleotide-binding domain (NBD) and a substrate-binding domain (SBD). The nucleotide sits in a deep cleft formed between the two lobes of the NBD. The two subdomains of each lobe change conformation between ATP-bound, ADP-bound, and nucleotide-free states. ATP binding opens up the substrate-binding site; substrate-binding increases the rate of ATP hydrolysis. HSP70 chaperone activity is regulated by various co-chaperones: J-domain proteins and nucleotide exchange factors (NEFs). HscA's partner J-domain protein is HscB; it does not appear to require a NEF and has been shown to be induced by cold-shock. The HscA-HscB chaperone/co-chaperone pair is involved in [Fe-S] cluster assembly. Pssm-ID: 466834 [Multi-domain] Cd Length: 367 Bit Score: 62.62 E-value: 6.80e-11
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| ASKHA_NBD_HSP70_YegD-like | cd10231 | nucleotide-binding domain (NBD) of Escherichia coli chaperone protein YegD and similar ... |
15-328 | 8.04e-11 | |||||||
nucleotide-binding domain (NBD) of Escherichia coli chaperone protein YegD and similar proteins; The family includes a group of uncharacterized proteins similar to Escherichia coli chaperone protein YegD that belongs to the heat shock protein 70 family of chaperones that assist in protein folding and assembly and can direct incompetent "client" proteins towards degradation. Typically, HSP70s have a nucleotide-binding domain (NBD) and a substrate-binding domain (SBD). The nucleotide sits in a deep cleft formed between the two lobes of the NBD. The two subdomains of each lobe change conformation between ATP-bound, ADP-bound, and nucleotide-free states. ATP binding opens up the substrate-binding site; substrate-binding increases the rate of ATP hydrolysis. YegD lacks the SBD. HSP70 chaperone activity is regulated by various co-chaperones: J-domain proteins and nucleotide exchange factors (NEFs). Some family members are not chaperones but instead, function as NEFs for their Hsp70 partners, other family members function as both chaperones and NEFs. Pssm-ID: 466829 [Multi-domain] Cd Length: 409 Bit Score: 62.68 E-value: 8.04e-11
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| PTZ00186 | PTZ00186 | heat shock 70 kDa precursor protein; Provisional |
85-296 | 1.22e-10 | |||||||
heat shock 70 kDa precursor protein; Provisional Pssm-ID: 140213 [Multi-domain] Cd Length: 657 Bit Score: 62.78 E-value: 1.22e-10
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| ASKHA_NBD_HSP70_ScSsz1p-like | cd10232 | nucleotide-binding domain (NBD) of Saccharomyces cerevisiae ribosome-associated complex ... |
15-328 | 1.82e-10 | |||||||
nucleotide-binding domain (NBD) of Saccharomyces cerevisiae ribosome-associated complex subunit Ssz1 and similar proteins; Ssz1, also called DnaK-related protein Ssz1, heat shock protein 70 homolog Ssz1, or pleiotropic drug resistance protein 13 (PDR13), is a component of the ribosome-associated complex (RAC), a heterodimeric chaperone complex involved in regulation of accurate translation termination and in folding or maintaining nascent polypeptides in a folding-competent state. RAC stimulates the ATPase activity of the ribosome-associated pool of Hsp70-type chaperones Ssb1/Ssb2 that bind to the nascent polypeptide chain. Ssz1 is required for Zuo1 to function efficiently as a J-protein for Ssb1/Ssb2. It is also involved in pleiotropic drug resistance by post-translational activation of transcription factor PDR1. Members in this subfamily belong to the heat shock protein 70 (HSP70) family of chaperones that assist in protein folding and assembly and can direct incompetent "client" proteins towards degradation. Typically, HSP70s have a nucleotide-binding domain (NBD) and a substrate-binding domain (SBD). The nucleotide sits in a deep cleft formed between the two lobes of the NBD. The two subdomains of each lobe change conformation between ATP-bound, ADP-bound, and nucleotide-free states. ATP binding opens up the substrate-binding site; substrate-binding increases the rate of ATP hydrolysis. Pssm-ID: 466830 [Multi-domain] Cd Length: 349 Bit Score: 61.22 E-value: 1.82e-10
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| HSP70 | pfam00012 | Hsp70 protein; Hsp70 chaperones help to fold many proteins. Hsp70 assisted folding involves ... |
15-207 | 2.31e-10 | |||||||
Hsp70 protein; Hsp70 chaperones help to fold many proteins. Hsp70 assisted folding involves repeated cycles of substrate binding and release. Hsp70 activity is ATP dependent. Hsp70 proteins are made up of two regions: the amino terminus is the ATPase domain and the carboxyl terminus is the substrate binding region. Pssm-ID: 394970 [Multi-domain] Cd Length: 598 Bit Score: 61.51 E-value: 2.31e-10
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| ftsA | TIGR01174 | cell division protein FtsA; This bacterial cell division protein interacts with FtsZ, the ... |
133-318 | 3.90e-10 | |||||||
cell division protein FtsA; This bacterial cell division protein interacts with FtsZ, the bacterial homolog of tubulin. It is an ATP-binding protein and shows structural similarities to actin and heat shock cognate protein 70. [Cellular processes, Cell division] Pssm-ID: 273483 [Multi-domain] Cd Length: 371 Bit Score: 60.34 E-value: 3.90e-10
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| ASKHA_NBD_HSP70_AtHsp70-14-like | cd24095 | nucleotide-binding domain (NBD) of Arabidopsis thaliana heat shock 70 kDa protein 14-16 and ... |
15-328 | 4.18e-10 | |||||||
nucleotide-binding domain (NBD) of Arabidopsis thaliana heat shock 70 kDa protein 14-16 and similar proteins; The subgroup includes Arabidopsis thaliana Hsp70-14, also known as heat shock 70 kDa protein 14; heat shock protein 91), Hsp70-15 (also known as heat shock 70 kDa protein 15), and Hsp70-16 (also known as heat shock 70 kDa protein 16). In cooperation with other chaperones, they are key components that facilitate folding of de novo synthesized proteins, assist translocation of precursor proteins into organelles, and are responsible for degradation of damaged protein under stress conditions. Members in this subgroup belong to the 105/110 kDa heat shock protein (HSP105/110) subfamily of the HSP70-like family, and includes proteins believed to function generally as co-chaperones of HSP70 chaperones, acting as nucleotide exchange factors (NEFs), to remove ADP from their HSP70 chaperone partners during the ATP hydrolysis cycle. HSP70 chaperones assist in protein folding and assembly, and can direct incompetent "client" proteins towards degradation. Like HSP70 chaperones, HSP105/110s have an N-terminal nucleotide-binding domain (NBD) and a C-terminal substrate-binding domain (SBD). For HSP70 chaperones, the nucleotide sits in a deep cleft formed between the two lobes of the NBD. The two subdomains of each lobe change conformation between ATP-bound, ADP-bound, and nucleotide-free states. ATP binding opens up the substrate-binding site; substrate-binding increases the rate of ATP hydrolysis. Hsp70 chaperone activity is also regulated by J-domain proteins. Pssm-ID: 466945 [Multi-domain] Cd Length: 389 Bit Score: 60.40 E-value: 4.18e-10
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| ASKHA_NBD_HSP70_HSPA13 | cd10237 | nucleotide-binding domain (NBD) of heat shock 70 kDa protein 13 (HSPA13) and similar proteins; ... |
15-328 | 6.03e-10 | |||||||
nucleotide-binding domain (NBD) of heat shock 70 kDa protein 13 (HSPA13) and similar proteins; HSPA13, also called 70-kDa heat shock protein 13, STCH, microsomal stress-70 protein ATPase core, or stress-70 protein chaperone microsome-associated 60 kDa protein, has peptide-independent ATPase activity. It belongs to the heat shock protein 70 (HSP70) family of chaperones that assist in protein folding and assembly and can direct incompetent "client" proteins towards degradation. Typically, HSP70s have a nucleotide-binding domain (NBD) and a substrate-binding domain (SBD). The nucleotide sits in a deep cleft formed between the two lobes of the NBD. The two subdomains of each lobe change conformation between ATP-bound, ADP-bound, and nucleotide-free states. ATP binding opens up the substrate-binding site; substrate-binding increases the rate of ATP hydrolysis. HSP70 chaperone activity is regulated by various co-chaperones: J-domain proteins and nucleotide exchange factors (NEFs). HSPA13 contains an NBD but lacks an SBD. It may function to regulate cell proliferation and survival and modulate the TRAIL-mediated cell death pathway. The HSPA13 gene is a candidate stomach cancer susceptibility gene; a mutation in the NBD coding region of HSPA13 has been identified in stomach cancer cells. The NBD of HSPA13 interacts with the ubiquitin-like proteins Chap1 and Chap2, implicating HSPA13 in regulating cell cycle and cell death events. HSPA13 is induced by the Ca2+ ionophore A23187. Pssm-ID: 466835 [Multi-domain] Cd Length: 409 Bit Score: 60.05 E-value: 6.03e-10
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| ASKHA_NBD_HSP70_HSPA12 | cd10229 | nucleotide-binding domain (NBD) of heat shock 70 kDa proteins HSPA12A, HSPA12B and similar ... |
80-329 | 1.43e-09 | |||||||
nucleotide-binding domain (NBD) of heat shock 70 kDa proteins HSPA12A, HSPA12B and similar proteins; The family includes heat shock 70 kDa proteins HSPA12A and HSPA12B. HSPA12A is an adapter protein for SORL1, but not SORT1. It delays SORL1 internalization and affects SORL1 subcellular localization. HSPA12B, predominantly expressed in endothelial cells, is required for angiogenesis, and may interact with known angiogenesis mediators. It may be important for host defense in microglia-mediated immune response. Both HSPA12A and HSPA12B belong to the heat shock protein 70 (HSP70) family of chaperones that assist in protein folding and assembly, and can direct incompetent "client" proteins towards degradation. Typically, HSP70s have a nucleotide-binding domain (NBD) and a substrate-binding domain (SBD). The nucleotide sits in a deep cleft formed between the two lobes of the NBD. The two subdomains of each lobe change conformation between ATP-bound, ADP-bound, and nucleotide-free states. ATP binding opens up the substrate-binding site; substrate-binding increases the rate of ATP hydrolysis. HSP70 chaperone activity is regulated by various co-chaperones: J-domain proteins and nucleotide exchange factors (NEFs). No co-chaperones have yet been identified for HSPA12A and HSPA12B. Pssm-ID: 466827 [Multi-domain] Cd Length: 372 Bit Score: 58.83 E-value: 1.43e-09
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| ASKHA_NBD_EutJ | cd24047 | nucleotide-binding domain (NBD) of ethanolamine utilization protein EutJ and similar proteins; ... |
15-195 | 3.28e-09 | |||||||
nucleotide-binding domain (NBD) of ethanolamine utilization protein EutJ and similar proteins; EutJ may protect ethanolamine ammonia-lyase (EAL, eutB-eutC) from inhibition. It may also function in assembling the bacterial microcompartment and/or in refolding EAL, suggesting it may have chaperone activity. Pssm-ID: 466897 [Multi-domain] Cd Length: 241 Bit Score: 56.51 E-value: 3.28e-09
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| PTZ00400 | PTZ00400 | DnaK-type molecular chaperone; Provisional |
85-201 | 1.32e-08 | |||||||
DnaK-type molecular chaperone; Provisional Pssm-ID: 240403 [Multi-domain] Cd Length: 663 Bit Score: 56.37 E-value: 1.32e-08
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| ASKHA_NBD_HSP70_HSPA4L | cd11738 | nucleotide-binding domain (NBD) of heat shock 70 kDa protein 4L (HSPA4L) and similar proteins; ... |
90-201 | 1.88e-08 | |||||||
nucleotide-binding domain (NBD) of heat shock 70 kDa protein 4L (HSPA4L) and similar proteins; HSPA4L, also called heat shock 70-related protein APG-1, heat-shock protein family A member 4-like protein, HSPA4-like protein, osmotic stress protein 94, or HSPH3, possesses chaperone activity in vitro where it inhibits aggregation of citrate synthase. It is expressed ubiquitously and predominantly in the testis. It is required for normal spermatogenesis and plays a role in osmotolerance. HSPA4L belongs to the 105/110 kDa heat shock protein (HSP105/110) subfamily of the HSP70-like family. HSP105/110s are believed to function generally as co-chaperones of HSP70 chaperones, acting as nucleotide exchange factors (NEFs), to remove ADP from their HSP70 chaperone partners during the ATP hydrolysis cycle. HSP70 chaperones assist in protein folding and assembly, and can direct incompetent "client" proteins towards degradation. Like HSP70 chaperones, HSP105/110s have an N-terminal nucleotide-binding domain (NBD) and a C-terminal substrate-binding domain (SBD). For HSP70 chaperones, the nucleotide sits in a deep cleft formed between the two lobes of the NBD. The two subdomains of each lobe change conformation between ATP-bound, ADP-bound, and nucleotide-free states. ATP binding opens up the substrate-binding site; substrate-binding increases the rate of ATP hydrolysis. Hsp70 chaperone activity is also regulated by J-domain proteins. Pssm-ID: 466844 [Multi-domain] Cd Length: 383 Bit Score: 55.31 E-value: 1.88e-08
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| ASKHA_NBD_HSP70_Ssc1_3 | cd11734 | nucleotide-binding domain (NBD) of Saccharomyces cerevisiae mitochondrial heat shock protein ... |
15-202 | 3.08e-08 | |||||||
nucleotide-binding domain (NBD) of Saccharomyces cerevisiae mitochondrial heat shock protein Ssc1p and Ssc3p and similar proteins; This subgroup includes Saccharomyces cerevisiae Stress-Seventy subfamily C proteins, Ssc1p (also called import motor subunit, mitochondrial; endonuclease SceI 75 kDa subunit; mtHSP70; ENS1; endonuclease SceI 75 kDa subunit) and sc3p (also called extracellular mutant protein 10/Ecm10). Ssc1p is an essential component of the PAM complex, a complex required for the translocation of transit peptide-containing proteins from the inner membrane into the mitochondrial matrix in an ATP-dependent manner. It constitutes the ATP-driven core of the motor and binds the precursor preprotein. It is required for the import of the processed frataxin homolog YFH1 into the mitochondrion. Ssc1p also acts as a non-catalytic component of endonuclease SceI (endo.SceI), which cleaves specifically at multiple sites on mitochondrial DNA and produces double-stranded breaks. Ssc1p confers broader sequence specificity, greater stability, and higher activity on the catalytic subunit. Ssc3p plays a role in facilitating the assembly of some protein complexes inside the mitochondria. It may initiate the events that lead to refolding of imported precursors in the matrix space. Pssm-ID: 466840 [Multi-domain] Cd Length: 378 Bit Score: 54.76 E-value: 3.08e-08
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| ASKHA_NBD_actin-like | cd10169 | nucleotide-binding domain (NBD) of actin and actin-related proteins (ARPs); Actin is ... |
88-309 | 3.37e-08 | |||||||
nucleotide-binding domain (NBD) of actin and actin-related proteins (ARPs); Actin is ubiquitous in eukaryotes, and the major component of the actin cytoskeleton; monomeric globular protein (G-actin) reversibly polymerizes to form filaments (F-actin). Each actin protomer binds one molecule of ATP and either calcium or magnesium ions. F-actin filaments form with the consequent hydrolysis of ATP. Some actin-related proteins (Arps) have roles in cytoskeletal functions, such as actin polymerization (Arp2/3) and dynein motor activity (Arp1). Both conventional actin and specific Arps have been implicated in chromatin remodeling and/or transcription regulation. The actin/ARP family belongs to the ASKHA (Acetate and Sugar Kinases/Hsc70/Actin) superfamily, all members of which share a common characteristic five-stranded beta sheet occurring in both the N- and C-terminal domains. Pssm-ID: 466810 [Multi-domain] Cd Length: 258 Bit Score: 53.65 E-value: 3.37e-08
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| ASKHA_NBD_HSP70_Ssb | cd24093 | nucleotide-binding domain (NBD) of Saccharmoyces cerevisiae Hsp70 chaperone Ssb and similar ... |
13-206 | 4.13e-08 | |||||||
nucleotide-binding domain (NBD) of Saccharmoyces cerevisiae Hsp70 chaperone Ssb and similar proteins; Ssb is ribosome-bound, Hsp70-type chaperone that assists in the co-translational folding of newly synthesized proteins in the cytosol. It stimulates folding by interacting with nascent chains, binding to short, largely hydrophobic sequences exposed by unfolded proteins, thereby stabilizing longer, more slowly translated, and aggregation-prone nascent polypeptides and domains that cannot fold stably until fully synthesized. Ssb cooperates with a specific Hsp40/Hsp70 co-chaperone termed the ribosome-associated complex (RAC), which stimulates the ATPase activity of the ribosome-associated pool of Ssbs and switches it to the high affinity substrate binding state. Saccharmoyces cerevisiae Ssb are encoded by two genes, SSB1 and SSB2. Ssb1p is also known as cold-inducible protein YG101. Members in this subfamily belong to the heat shock protein 70 (HSP70) family of chaperones that assist in protein folding and assembly, and can direct incompetent "client" proteins towards degradation. Typically, HSP70s have a nucleotide-binding domain (NBD) and a substrate-binding domain (SBD). The nucleotide sits in a deep cleft formed between the two lobes of the NBD. The two subdomains of each lobe change conformation between ATP-bound, ADP-bound, and nucleotide-free states. ATP binding opens up the substrate-binding site; substrate-binding increases the rate of ATP hydrolysis. HSP70 chaperone activity is regulated by various co-chaperones: J-domain proteins and nucleotide exchange factors (NEFs). Pssm-ID: 466943 [Multi-domain] Cd Length: 375 Bit Score: 54.22 E-value: 4.13e-08
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| EutJ | COG4820 | Ethanolamine utilization protein EutJ, possible chaperonin [Amino acid transport and ... |
15-184 | 5.35e-08 | |||||||
Ethanolamine utilization protein EutJ, possible chaperonin [Amino acid transport and metabolism]; Pssm-ID: 443848 [Multi-domain] Cd Length: 270 Bit Score: 53.27 E-value: 5.35e-08
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| ASKHA_NBD_HSP70_ScSse | cd24094 | nucleotide-binding domain (NBD) of Saccharomyces cerevisiae heat shock protein homolog Sse and ... |
15-201 | 1.89e-07 | |||||||
nucleotide-binding domain (NBD) of Saccharomyces cerevisiae heat shock protein homolog Sse and similar proteins; The subgroup includes two Saccharomyces cerevisiae heat shock protein homologs, Sse1 and Sse2. They may have calcium-dependent calmodulin-binding activities. Both Sse1 and Sse2 belong to the 105/110 kDa heat shock protein (HSP105/110) subfamily of the HSP70-like family, and includes proteins believed to function generally as co-chaperones of HSP70 chaperones, acting as nucleotide exchange factors (NEFs), to remove ADP from their HSP70 chaperone partners during the ATP hydrolysis cycle. HSP70 chaperones assist in protein folding and assembly, and can direct incompetent "client" proteins towards degradation. Like HSP70 chaperones, HSP105/110s have an N-terminal nucleotide-binding domain (NBD) and a C-terminal substrate-binding domain (SBD). For HSP70 chaperones, the nucleotide sits in a deep cleft formed between the two lobes of the NBD. The two subdomains of each lobe change conformation between ATP-bound, ADP-bound, and nucleotide-free states. ATP binding opens up the substrate-binding site; substrate-binding increases the rate of ATP hydrolysis. Hsp70 chaperone activity is also regulated by J-domain proteins. Pssm-ID: 466944 [Multi-domain] Cd Length: 385 Bit Score: 52.38 E-value: 1.89e-07
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| ASKHA_NBD_HSP70_HSPA4 | cd11737 | nucleotide-binding domain (NBD) of heat shock 70 kDa protein 4 (HSPA4) and similar proteins; ... |
85-207 | 2.02e-07 | |||||||
nucleotide-binding domain (NBD) of heat shock 70 kDa protein 4 (HSPA4) and similar proteins; HSPA4, also called HSP70RY, , HS24/P52, hsp70 RY, and HSPH2, or heat shock 70-related protein APG-2, responds to acidic pH stress, is involved in the radioadaptive response, is required for normal spermatogenesis and is overexpressed in hepatocellular carcinoma. It participates in a pathway along with NBS1 (Nijmegen breakage syndrome 1, also known as p85 or nibrin), heat shock transcription factor 4b (HDF4b), and HSPA14 (belonging to a different HSP70 subfamily) that induces tumor migration, invasion, and transformation. HSPA4 expression in sperm was increased in men with oligozoospermia, especially in those with varicocele. HSPA4 belongs to the 105/110 kDa heat shock protein (HSP105/110) subfamily of the HSP70-like family. HSP105/110s are believed to function generally as co-chaperones of HSP70 chaperones, acting as nucleotide exchange factors (NEFs), to remove ADP from their HSP70 chaperone partners during the ATP hydrolysis cycle. HSP70 chaperones assist in protein folding and assembly, and can direct incompetent "client" proteins towards degradation. Like HSP70 chaperones, HSP105/110s have an N-terminal nucleotide-binding domain (NBD) and a C-terminal substrate-binding domain (SBD). For HSP70 chaperones, the nucleotide sits in a deep cleft formed between the two lobes of the NBD. The two subdomains of each lobe change conformation between ATP-bound, ADP-bound, and nucleotide-free states. ATP binding opens up the substrate-binding site; substrate-binding increases the rate of ATP hydrolysis. Hsp70 chaperone activity is also regulated by J-domain proteins. Pssm-ID: 466843 [Multi-domain] Cd Length: 381 Bit Score: 52.25 E-value: 2.02e-07
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| dnaK | CHL00094 | heat shock protein 70 |
15-201 | 3.57e-07 | |||||||
heat shock protein 70 Pssm-ID: 214360 [Multi-domain] Cd Length: 621 Bit Score: 51.65 E-value: 3.57e-07
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| PRK13411 | PRK13411 | molecular chaperone DnaK; Provisional |
15-206 | 5.33e-07 | |||||||
molecular chaperone DnaK; Provisional Pssm-ID: 184039 [Multi-domain] Cd Length: 653 Bit Score: 51.29 E-value: 5.33e-07
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| PRK13410 | PRK13410 | molecular chaperone DnaK; Provisional |
112-222 | 8.58e-07 | |||||||
molecular chaperone DnaK; Provisional Pssm-ID: 184038 [Multi-domain] Cd Length: 668 Bit Score: 50.78 E-value: 8.58e-07
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| ASKHA_NBD_ParM_R1-like | cd24022 | nucleotide-binding domain (NBD) of Escherichia coli plasmid segregation protein ParM and ... |
157-328 | 1.09e-06 | |||||||
nucleotide-binding domain (NBD) of Escherichia coli plasmid segregation protein ParM and similar proteins from ParM domain family; Type II plasmid partition systems utilize ParM NTPases in coordination with a centromere-binding protein called ParR to mediate accurate DNA segregation, a process critical for plasmid retention. The family corresponds to a group of uncharacterized proteins similar to Escherichia coli ParM, also called ParA locus 36 kDa protein, or protein StbA. It is a plasmid-encoded protein involved in the control of plasmid partition and required for accurate segregation of low-copy-number plasmid R1. Pssm-ID: 466872 [Multi-domain] Cd Length: 324 Bit Score: 49.58 E-value: 1.09e-06
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| ASKHA_NBD_HSP70_BiP | cd10241 | nucleotide-binding domain (NBD) of binding-immunoglobulin protein (BiP) and similar proteins; ... |
44-251 | 1.24e-06 | |||||||
nucleotide-binding domain (NBD) of binding-immunoglobulin protein (BiP) and similar proteins; This subfamily includes human BiP (also known as HSP70 family protein 5 /HSPA5; 70-kDa heat shock protein 5; glucose-regulated protein 78/GRP78; immunoglobulin heavy chain-binding protein), Sacchaormyces cerevisiae BiP (also known as Grp78p), Arabidopsis thaliana BiP1-3 (also known as luminal-binding protein 1-3) and related proteins. BiP plays a key role in protein folding and quality control in the endoplasmic reticulum lumen. It plays an auxiliary role in post-translational transport of small presecretory proteins across endoplasmic reticulum (ER). BiP may function as an allosteric modulator for SEC61 channel-forming translocon complex, likely cooperating with SEC62 to enable the productive insertion of these precursors into SEC61 channel. It appears to specifically regulate translocation of precursors having inhibitory residues in their mature region that weaken channel gating. BiP may also play a role in apoptosis and cell proliferation. Plant BiP may be required for pollen development and pollen tube growth. This subfamily belongs to the heat shock protein 70 (HSP70) family of chaperones that assist in protein folding and assembly and can direct incompetent "client" proteins towards degradation. Typically, HSP70s have a nucleotide-binding domain (NBD) and a substrate-binding domain (SBD). The nucleotide sits in a deep cleft formed between the two lobes of the NBD. The two subdomains of each lobe change conformation between ATP-bound, ADP-bound, and nucleotide-free states. ATP binding opens up the substrate-binding site; substrate-binding increases the rate of ATP hydrolysis. HSP70 chaperone activity is regulated by various co-chaperones: J-domain proteins and nucleotide exchange factors (NEFs). Pssm-ID: 466837 [Multi-domain] Cd Length: 376 Bit Score: 49.52 E-value: 1.24e-06
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| ASKHA_NBD_ParM_pCBH-like | cd24025 | nucleotide-binding domain (NBD) of Clostridium botulinum plasmid segregation protein ParM and ... |
114-328 | 1.47e-06 | |||||||
nucleotide-binding domain (NBD) of Clostridium botulinum plasmid segregation protein ParM and similar proteins from the ParM domain family; The family corresponds to a group of uncharacterized proteins similar to Clostridium botulinum pCBH plasmid segregation protein ParM, an actin-like polymerizing motor. pCBH ParM filament structure is far more complex in comparison to the known filament structures of actin, MreB, and other ParMs. It is bipolar and stiff and like microtubules. The 15 polymerizing strands are likely to exert greater combined force relative to typical two-stranded actin-like filaments. Pssm-ID: 466875 [Multi-domain] Cd Length: 326 Bit Score: 49.20 E-value: 1.47e-06
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| ASKHA_NBD_Arp4_ACTL6-like | cd13395 | nucleotide-binding domain (NBD) of the actin-related protein 4 (Arp4)-like subfamily; The ... |
36-196 | 3.18e-06 | |||||||
nucleotide-binding domain (NBD) of the actin-related protein 4 (Arp4)-like subfamily; The Arp4-like subfamily includes Arp4, also called actin-like protein 4, from fungi and plants. Saccharomyces cerevisiae Arp4 acts synergistically with Arp8 to depolymerize F-actin; it binds ATP, but unlike conventional actin, does not form filaments. It is a component of the NuA4 histone acetyltransferase complex, the chromatin-remodeling INO80 complex and the SWR1 chromatin remodeling complex. Arabidopsis thaliana Arp4 is involved in several developmental processes including organization of plant organs, flowering time, anther development, flower senescence and fertility, probably by regulating the chromatin structure. This family also includes human homologs of yeast and plant, which are actin-like protein 6A (encoded by the ACTL6A gene; also known as ArpNbeta, 53 kDa BRG1-associated factor A/BRG1-associated factor 53A/BAF35A, and INO80 complex subunit K/INO80K) and actin-like protein 6B (encoded by the ACTL6B gene; also known as ArpNalpha, 53 kDa BRG1-associated factor B/BRG1-associated factor 53B/BAF35B). ACTL6A and ACTL6B are involved in transcriptional activation and repression of select genes by chromatin remodeling (alteration of DNA-nucleosome topology). They are components of numerous complexes with chromatin remodeling and histone acetyltransferase activity. ACTL6A is also a putative core component of the chromatin remodeling INO80 complex which is involved in transcriptional regulation, DNA replication and probably DNA repair. Schizosaccharomyces pombe actin-related protein 42 (Arp42) is also included in this family. It is also a component of SWI/SNF and RSC complexes. Pssm-ID: 466846 [Multi-domain] Cd Length: 413 Bit Score: 48.33 E-value: 3.18e-06
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| PLN03184 | PLN03184 | chloroplast Hsp70; Provisional |
109-224 | 3.30e-06 | |||||||
chloroplast Hsp70; Provisional Pssm-ID: 215618 [Multi-domain] Cd Length: 673 Bit Score: 48.69 E-value: 3.30e-06
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| ASKHA_NBD_HSP70_HSPA9 | cd11733 | nucleotide-binding domain (NBD) of human mitochondrial heat shock 70 kDa protein 9 (HSPA9) and ... |
85-201 | 4.23e-06 | |||||||
nucleotide-binding domain (NBD) of human mitochondrial heat shock 70 kDa protein 9 (HSPA9) and similar proteins; This subgroup includes human mitochondrial HSPA9 (also known as mitochondrial stress-70 protein; mortalin; 75 kDa glucose-regulated protein/GRP-75; HSPA9B; MOT; peptide-binding protein 74/PBP74). It acts as a chaperone protein which plays an important role in mitochondrial iron-sulfur cluster (ISC) biogenesis. It interacts with and stabilizes ISC cluster assembly proteins FXN, NFU1, NFS1 and ISCU. HSPA9 regulates erythropoiesis via stabilization of ISC assembly. It may play a role in the control of cell proliferation and cellular aging. Members in this subgroup belong to the heat shock protein 70 (HSP70) family of chaperones that assist in protein folding and assembly, and can direct incompetent "client" proteins towards degradation. Typically, HSP70s have a nucleotide-binding domain (NBD) and a substrate-binding domain (SBD). The nucleotide sits in a deep cleft formed between the two lobes of the NBD. The two subdomains of each lobe change conformation between ATP-bound, ADP-bound, and nucleotide-free states. ATP binding opens up the substrate-binding site; substrate-binding increases the rate of ATP hydrolysis. Hsp70 chaperone activity is regulated by various co-chaperones: J-domain proteins and nucleotide exchange factors (NEFs). Pssm-ID: 466839 [Multi-domain] Cd Length: 377 Bit Score: 48.03 E-value: 4.23e-06
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| GppA | COG0248 | Exopolyphosphatase/pppGpp-phosphohydrolase [Nucleotide transport and metabolism, Signal ... |
134-319 | 1.29e-05 | |||||||
Exopolyphosphatase/pppGpp-phosphohydrolase [Nucleotide transport and metabolism, Signal transduction mechanisms]; Pssm-ID: 440018 [Multi-domain] Cd Length: 314 Bit Score: 46.33 E-value: 1.29e-05
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| PilM_2 | pfam11104 | Type IV pilus assembly protein PilM;; The type IV pilus assembly protein PilM is required for ... |
162-319 | 1.90e-05 | |||||||
Type IV pilus assembly protein PilM;; The type IV pilus assembly protein PilM is required for competency and pilus biogenesis. It binds to PilN and ATP. Pssm-ID: 431656 [Multi-domain] Cd Length: 340 Bit Score: 45.74 E-value: 1.90e-05
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| Actin | pfam00022 | Actin; |
36-309 | 1.99e-05 | |||||||
Actin; Pssm-ID: 394979 [Multi-domain] Cd Length: 407 Bit Score: 46.14 E-value: 1.99e-05
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| PRK15080 | PRK15080 | ethanolamine utilization protein EutJ; Provisional |
15-184 | 2.92e-05 | |||||||
ethanolamine utilization protein EutJ; Provisional Pssm-ID: 237904 [Multi-domain] Cd Length: 267 Bit Score: 44.82 E-value: 2.92e-05
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| ASKHA_NBD_HSP70_DnaK-like | cd10234 | nucleotide-binding domain (NBD) of Escherichia coli chaperone protein DnaK and similar ... |
122-202 | 4.20e-05 | |||||||
nucleotide-binding domain (NBD) of Escherichia coli chaperone protein DnaK and similar proteins; This subfamily includes Escherichia coli chaperone protein DnaK (also known as heat shock 70 kDa protein/HSP70), human mitochondrial heat shock 70 kDa protein HSPA9 (also known as mitochondrial stress-70 protein; mortalin; 75 kDa glucose-regulated protein/GRP-75; HSPA9B; MOT; peptide-binding protein 74/PBP74), Saccharomyces cerevisiae stress-seventy subfamily C proteins, Ssc1p (also called import motor subunit, mitochondrial; endonuclease SceI 75 kDa subunit; mtHSP70; ENS1; endonuclease SceI 75 kDa subunit) and Ssc3p (also called extracellular mutant protein 10/Ecm10), and Saccharomyces cerevisiae Stress-seventy subfamily Q protein 1/Ssq1p (also called Ssc2p; Ssh1p; mtHSP70 homolog). They all belong to the heat shock protein 70 (HSP70) family of chaperones that assist in protein folding and assembly, and can direct incompetent "client" proteins towards degradation. Typically, HSP70s have a nucleotide-binding domain (NBD) and a substrate-binding domain (SBD). The nucleotide sits in a deep cleft formed between the two lobes of the NBD. The two subdomains of each lobe change conformation between ATP-bound, ADP-bound, and nucleotide-free states. ATP binding opens up the substrate-binding site; substrate-binding increases the rate of ATP hydrolysis. Hsp70 chaperone activity is regulated by various co-chaperones: J-domain proteins and nucleotide exchange factors (NEFs); for Escherichia coli DnaK, these are the DnaJ and GrpE, respectively. Pssm-ID: 466832 [Multi-domain] Cd Length: 373 Bit Score: 44.77 E-value: 4.20e-05
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| ASKHA_NBD_Arp6 | cd10210 | nucleotide-binding domain (NBD) of actin-related protein6 (Arp6) and similar proteins; Arp6, ... |
266-329 | 7.44e-05 | |||||||
nucleotide-binding domain (NBD) of actin-related protein6 (Arp6) and similar proteins; Arp6, also called actin-like protein 6, is required for formation and/or maintenance of proper nucleolar structure and function, plays a dual role in the regulation of ribosomal DNA (rDNA) transcription. In the presence of high glucose, Arp6 maintains active rDNA transcription through H2A.Z deposition and under glucose starvation, it is required for the repression of rDNA transcription, and this function may be independent of H2A.Z. Arp6 is also required for telomere silencing in both fission and budding yeast. It is a component of the budding yeast and Arabidopsis SWR1 complex (SWR1C) and the human SWI2/SNF2-related CBP activator protein (SRCAP) chromatin remodeling complexes which catalyze the exchange of the histone H2A with the H2AZ. Drosophila Arp6 colocalizes with HP1 (heterochromatin protein 1) in the pericentric heterochromatin, and vertebrate Arp6 also interacts with HP1. Human Arp6 is encoded by the ACTR6 gene. Arabidopsis thaliana ACTIN RELATED PROTEIN 6/EARLY IN SHORT DAYS 1/SUPPRESSOR OF FRIGIDA 3 (encoded by ARP6/ESD1/SUF3) participates in regulating several leaf and flower development stages. It is needed for Flowering locus C (FLC, the master repressor of flowering) and FLC-like gene expression in the shoot and root apex, and for the activity of the floral repressor pathway. Pssm-ID: 466816 [Multi-domain] Cd Length: 389 Bit Score: 44.08 E-value: 7.44e-05
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| ASKHA_NBD_Arp8-like | cd10206 | nucleotide-binding domain (NBD) of the actin-related protein 8 (Arp8)-like subfamily; The ... |
136-308 | 1.56e-04 | |||||||
nucleotide-binding domain (NBD) of the actin-related protein 8 (Arp8)-like subfamily; The Arp8-like family includes Arp8, also called actin-like protein 8, from vertebrates and fungi. Human Arp8 is encoded by the ACTR8 gene and is also known as INO80 complex subunit N. It plays an important role in the functional organization of mitotic chromosomes. Arp8 exhibits low basal ATPase activity, and is unable to polymerize. It is probably a core component of the chromatin remodeling INO80 complex which is involved in transcriptional regulation, DNA replication, and probably DNA repair. it is required for the recruitment of INO80 (and probably the INO80 complex) to sites of DNA damage. Arp8 strongly prefers nucleosomes and H3-H4 tetramers over H2A-H2B dimers, suggesting it may act as a nucleosome recognition module within the complex. This subfamily also contains Arabidopsis thaliana Arp9. Pssm-ID: 466812 [Multi-domain] Cd Length: 447 Bit Score: 43.38 E-value: 1.56e-04
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| hscA | PRK05183 | chaperone protein HscA; Provisional |
15-203 | 1.83e-04 | |||||||
chaperone protein HscA; Provisional Pssm-ID: 235360 [Multi-domain] Cd Length: 616 Bit Score: 43.24 E-value: 1.83e-04
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| hscA | PRK01433 | chaperone protein HscA; Provisional |
15-202 | 1.88e-04 | |||||||
chaperone protein HscA; Provisional Pssm-ID: 234955 [Multi-domain] Cd Length: 595 Bit Score: 43.30 E-value: 1.88e-04
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| pilM | TIGR01175 | type IV pilus assembly protein PilM; This protein is required for the assembly of the type IV ... |
159-330 | 2.01e-04 | |||||||
type IV pilus assembly protein PilM; This protein is required for the assembly of the type IV fimbria in Pseudomonas aeruginosa responsible for twitching motility, and for a similar pilus-like structure in Synechocystis. It is also found in species such as Deinococcus described as having natural transformation (for which a type IV pilus-like structure is proposed) but not fimbria. Pssm-ID: 273484 [Multi-domain] Cd Length: 348 Bit Score: 42.85 E-value: 2.01e-04
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| ASKHA_NBD_HSP70_HSPA4_like | cd10228 | nucleotide-binding domain (NBD) of the heat shock 70 kDa protein 4 (HSPA4)-like subfamily; ... |
15-201 | 2.34e-04 | |||||||
nucleotide-binding domain (NBD) of the heat shock 70 kDa protein 4 (HSPA4)-like subfamily; This subgroup includes the human proteins, HSPA4 (also known as 70-kDa heat shock protein 4; APG-2; HS24/P52; hsp70 RY; HSPH2), HSPA4L (also known as 70-kDa heat shock protein 4-like; APG-1; HSPH3; OSP94), and HSPH1 (also known as heat shock 105kDa/110kDa protein 1; HSP105; HSP105A; HSP105B; NY-CO-25). They belong to the 105/110 kDa heat shock protein (HSP105/110) subfamily of the HSP70-like family, and includes proteins believed to function generally as co-chaperones of HSP70 chaperones, acting as nucleotide exchange factors (NEFs), to remove ADP from their HSP70 chaperone partners during the ATP hydrolysis cycle. HSP70 chaperones assist in protein folding and assembly, and can direct incompetent "client" proteins towards degradation. Like HSP70 chaperones, HSP105/110s have an N-terminal nucleotide-binding domain (NBD) and a C-terminal substrate-binding domain (SBD). For HSP70 chaperones, the nucleotide sits in a deep cleft formed between the two lobes of the NBD. The two subdomains of each lobe change conformation between ATP-bound, ADP-bound, and nucleotide-free states. ATP binding opens up the substrate-binding site; substrate-binding increases the rate of ATP hydrolysis. Hsp70 chaperone activity is also regulated by J-domain proteins. Pssm-ID: 466826 [Multi-domain] Cd Length: 378 Bit Score: 42.65 E-value: 2.34e-04
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| dnaK | PRK00290 | molecular chaperone DnaK; Provisional |
141-201 | 3.19e-04 | |||||||
molecular chaperone DnaK; Provisional Pssm-ID: 234715 [Multi-domain] Cd Length: 627 Bit Score: 42.40 E-value: 3.19e-04
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| PTZ00009 | PTZ00009 | heat shock 70 kDa protein; Provisional |
110-207 | 3.21e-04 | |||||||
heat shock 70 kDa protein; Provisional Pssm-ID: 240227 [Multi-domain] Cd Length: 653 Bit Score: 42.47 E-value: 3.21e-04
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| ASKHA_NBD_HSP70_HSPH1 | cd11739 | nucleotide-binding domain (NBD) of heat shock 105kDa/110kDa protein 1 (HSPH1) and similar ... |
90-201 | 7.45e-04 | |||||||
nucleotide-binding domain (NBD) of heat shock 105kDa/110kDa protein 1 (HSPH1) and similar proteins; HSPH1, also called heat shock protein 105 kDa, antigen NY-CO-25, heat shock 110 kDa protein, acts as a nucleotide-exchange factor (NEF) for chaperone proteins HSPA1A and HSPA1B, promoting the release of ADP from HSPA1A/B thereby triggering client/substrate protein release. It prevents the aggregation of denatured proteins in cells under severe stress, on which the ATP levels decrease markedly. It inhibits HSPA8/HSC70 ATPase and chaperone activities. HSPH1 belongs to the 105/110 kDa heat shock protein (HSP105/110) subfamily of the HSP70-like family. HSP105/110s are believed to function generally as co-chaperones of HSP70 chaperones, acting as nucleotide exchange factors (NEFs), to remove ADP from their HSP70 chaperone partners during the ATP hydrolysis cycle. HSP70 chaperones assist in protein folding and assembly, and can direct incompetent "client" proteins towards degradation. Like HSP70 chaperones, HSP105/110s have an N-terminal nucleotide-binding domain (NBD) and a C-terminal substrate-binding domain (SBD). For HSP70 chaperones, the nucleotide sits in a deep cleft formed between the two lobes of the NBD. The two subdomains of each lobe change conformation between ATP-bound, ADP-bound, and nucleotide-free states. ATP binding opens up the substrate-binding site; substrate-binding increases the rate of ATP hydrolysis. Hsp70 chaperone activity is also regulated by J-domain proteins. Pssm-ID: 466845 [Multi-domain] Cd Length: 380 Bit Score: 41.00 E-value: 7.45e-04
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| ASKHA_NBD_PPX_GppA | cd24006 | nucleotide-binding domain (NBD) of the exopolyphosphatase/guanosine pentaphosphate ... |
134-225 | 8.50e-04 | |||||||
nucleotide-binding domain (NBD) of the exopolyphosphatase/guanosine pentaphosphate phosphohydrolase (PPX/GppA) domain family; Members of the PPX/GppA family are involved in bacterial survival and metabolism. They may play distinct biochemical roles involved in polyphosphate and (p)ppGpp metabolic pathways. Guanosine pentaphosphate (pppGpp) phosphohydrolase (GppA; EC 3.6.1.40) plays a key role in (p)ppGpp homeostasis. It specifically catalyzes the conversion of pppGpp to ppGpp (guanosine tetraphosphate). Sharing a similar domain structure, GppA is indistinguishable from exopolyphosphatase (PPX; EC 3.6.1.11), which mediates the metabolism of cellular inorganic polyphosphate. Especially, it is responsible for the maintenance of appropriate levels of cellular inorganic polyphosphate (PolyP). Some bacteria, such as Escherichia coli, possesses two homologs, EcGppA and EcPPX. Some others, such as Helicobacter pylori and Aquifex aeolicus, encode only one PPX/GppA homolog, which may play important roles in the homeostasis of both (p)ppGpp and PolyP. The PPX/GppA family belongs to the ASKHA (Acetate and Sugar Kinases/Hsc70/Actin) superfamily of phosphotransferases, all members of which share a common characteristic five-stranded beta sheet occurring in both the N- and C-terminal domains. Pssm-ID: 466856 [Multi-domain] Cd Length: 294 Bit Score: 40.60 E-value: 8.50e-04
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| ASKHA_NBD_ParM_Alp7A-like | cd24023 | nucleotide-binding domain (NBD) of Bacillus subtilis actin-like protein Alp7A and similar ... |
162-321 | 1.19e-03 | |||||||
nucleotide-binding domain (NBD) of Bacillus subtilis actin-like protein Alp7A and similar proteins from the ParM domain family; The family corresponds to a group of uncharacterized proteins similar to Bacillus subtilis actin-like protein Alp7A, a plasmid partitioning protein that functions in plasmid segregation. The subfamily also includes Bacillus thuringiensis ParM hybrid fusion protein. Pssm-ID: 466873 [Multi-domain] Cd Length: 368 Bit Score: 40.39 E-value: 1.19e-03
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| PilM | COG4972 | Type IV pilus assembly protein, ATPase PilM [Cell motility, Extracellular structures]; |
291-326 | 1.43e-03 | |||||||
Type IV pilus assembly protein, ATPase PilM [Cell motility, Extracellular structures]; Pssm-ID: 443997 [Multi-domain] Cd Length: 294 Bit Score: 39.84 E-value: 1.43e-03
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| PRK10039 | PRK10039 | hypothetical protein; Provisional |
81-136 | 1.78e-03 | |||||||
hypothetical protein; Provisional Pssm-ID: 170217 [Multi-domain] Cd Length: 127 Bit Score: 37.78 E-value: 1.78e-03
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| PRK11678 | PRK11678 | putative chaperone; Provisional |
90-195 | 4.44e-03 | |||||||
putative chaperone; Provisional Pssm-ID: 236954 [Multi-domain] Cd Length: 450 Bit Score: 38.69 E-value: 4.44e-03
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| ASKHA_NBD_HSP70_HSPA1 | cd10233 | nucleotide-binding domain (NBD) of 70-kDa heat shock protein 1 (HSPA1) and similar proteins; ... |
112-201 | 8.43e-03 | |||||||
nucleotide-binding domain (NBD) of 70-kDa heat shock protein 1 (HSPA1) and similar proteins; This subfamily includes human HSPA1A (70-kDa heat shock protein 1A, also known as HSP72; HSPA1; HSP70I; HSPA1B; HSP70-1; HSP70-1A), HSPA1B (70-kDa heat shock protein 1B, also known as HSPA1A; HSP70-2; HSP70-1B), and HSPA1L (70-kDa heat shock protein 1-like, also known as HSP70T; hum70t; HSP70-1L; HSP70-HOM), HSPA2 (70-kDa heat shock protein 2, also known as HSP70-2; HSP70-3), HSPA6 (also known as heat shock 70kDa protein 6; HSP70B'), HSPA7 (heat shock 70kDa protein 7 , also known as HSP70B), and HSPA8 (heat shock 70kDa protein 8, also known as Lipopolysaccharide-associated protein 1/LAP1; HSC70; HSP73; HSPA10). They are molecular chaperones implicated in a wide variety of cellular processes, including protection of the proteome from stress, folding and transport of newly synthesized polypeptides, activation of proteolysis of misfolded proteins and the formation and dissociation of protein complexes. They play pivotal roles in the protein quality control system, ensuring the correct folding of proteins, the re-folding of misfolded proteins and controlling the targeting of proteins for subsequent degradation. This is achieved through cycles of ATP binding, ATP hydrolysis and ADP release, mediated by co-chaperones. The subfamily also includes Saccharomyces cerevisiae heat shock protein Ssa1-4, which may play a role in the transport of polypeptides both across the mitochondrial membranes and into the endoplasmic reticulum. This subfamily belongs to the heat shock protein 70 (HSP70) family of chaperones that assist in protein folding and assembly and can direct incompetent "client" proteins towards degradation. Typically, HSP70s have a nucleotide-binding domain (NBD) and a substrate-binding domain (SBD). The nucleotide sits in a deep cleft formed between the two lobes of the NBD. The two subdomains of each lobe change conformation between ATP-bound, ADP-bound, and nucleotide-free states. ATP binding opens up the substrate-binding site; substrate-binding increases the rate of ATP hydrolysis. HSP70 chaperone activity is regulated by various co-chaperones: J-domain proteins and nucleotide exchange factors (NEFs). Pssm-ID: 466831 [Multi-domain] Cd Length: 375 Bit Score: 37.61 E-value: 8.43e-03
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| ASKHA_NBD_AaPPX-GppA_MtPPX2-like | cd24054 | nucleotide-binding domain (NBD) of Aquifex aeolicus PPX/GppA, Mycobacterium tuberculosis PPX2, ... |
162-190 | 8.51e-03 | |||||||
nucleotide-binding domain (NBD) of Aquifex aeolicus PPX/GppA, Mycobacterium tuberculosis PPX2, Fusobacterium nucleatum AroB, and similar proteins; The PPX/GppA family proteins play essential roles in bacterial survival and metabolism. Guanosine pentaphosphate (pppGpp) phosphohydrolase (GppA; EC 3.6.1.40) plays a key role in (p)ppGpp homeostasis. It specifically catalyzes the conversion of pppGpp to ppGpp (guanosine tetraphosphate). Sharing a similar domain structure, GppA is indistinguishable from exopolyphosphatase (PPX; EC 3.6.1.11), which mediates the metabolism of cellular inorganic polyphosphate. Especially, it is responsible for the maintenance of appropriate levels of cellular inorganic polyphosphate (PolyP). The family corresponds to a group of proteins similar to Aquifex aeolicus exopolyphosphatase/guanosine pentaphosphate phosphohydrolase (AaPPX/GppA), Mycobacterium tuberculosis exopolyphosphatase 2 (MtPPX2), Fusobacterium nucleatum bifunctional 3-dehydroquinate synthase/phosphatase (AroB) and similar proteins. Pssm-ID: 466904 [Multi-domain] Cd Length: 296 Bit Score: 37.46 E-value: 8.51e-03
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