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Conserved domains on  [gi|1774881334|gb|QGH83520|]
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putative P1-P2 fusion protein, partial [Pepper vein yellows virus]

Protein Classification

Graphical summary

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List of domain hits

Name Accession Description Interval E-value
ps-ssRNAv_RdRp-like super family cl40470
conserved catalytic core domain of RNA-dependent RNA polymerase (RdRp) from the positive-sense ...
270-713 0e+00

conserved catalytic core domain of RNA-dependent RNA polymerase (RdRp) from the positive-sense single-stranded RNA [(+)ssRNA] viruses and closely related viruses; This family contains the catalytic core domain of RdRp of RNA viruses which belong to Group IV of the Baltimore classification system, and are a group of related viruses that have positive-sense (+), single-stranded (ss) genomes made of ribonucleic acid (RNA). RdRp (also known as RNA replicase) catalyzes the replication of RNA from an RNA template; specifically, it catalyzes the synthesis of the RNA strand complementary to a given RNA template. The Baltimore Classification is divided into 7 classes, 3 of which include RNA viruses: Group IV (+) RNA viruses, Group III double-stranded (ds) RNA viruses, and Group V negative-sense (-) RNA viruses. Baltimore groups of viruses differ with respect to the nature of their genome (i.e., the nucleic acid form that is packaged into virions) and correspond to distinct strategies of genome replication and expression. (+) viral RNA is similar to mRNA and thus can be immediately translated by the host cell. (+)ssRNA viruses can also produce (+) copies of the genome from (-) strands of an intermediate dsRNA genome. This acts as both a transcription and a replication process since the replicated RNA is also mRNA. RdRps belong to the expansive class of polymerases containing so-called palm catalytic domains along with the accessory fingers and thumb domains. All RdRps also have six conserved structural motifs (A-F), located in its majority in the palm subdomain (A-E motifs) and the F motif is located on the finger subdomain. All these motifs have been shown to be implicated in RdRp fidelity such as processes of correct incorporation and reorganization of nucleotides. In addition to Group IV viruses, this model also includes Picobirnaviruses (PBVs), members of the family Picobirnaviridae of dsRNA viruses (Baltimore classification Group III), which are bi-segmented dsRNA viruses. The phylogenetic tree of the RdRps of RNA viruses (realm Riboviria) showed that picobirnaviruses are embedded in the branch of diverse (+)RNA viruses; sometimes they are collectively referred to as the picornavirus supergroup. RdRps of members of the family Permutatetraviridae, a distinct group of RNA viruses that encompass a circular permutation within the RdRp palm domain, are not included in this model.


The actual alignment was detected with superfamily member cd23180:

Pssm-ID: 477363  Cd Length: 447  Bit Score: 569.21  E-value: 0e+00
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 270 GFQQCGSLPQYYHPKQIKGSDWgsqLIQEHPELGEKVSGFGWPAVGPQAEVTSLTLQAERWLQRAQSakIPSSEDRERVI 349
Cdd:cd23180     1 GFRYVGKSSCKFREGSRKALSE---AVRAAESLFPELEGYGWPERGSKAELDSLLLQAGRFRRTSCP--EPLEEACERLI 75
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 350 NKTVEAY-SNVKTFGPTATRANKLEWRqfleDFKSAVFSLELDAGIGVPYIAYGRPTHKGWVEDPKLLpVLARLTFNRLQ 428
Cdd:cd23180    76 ERYPKSRpRRCFRREPWCREQLLEEQI----EFTAASREINLKASPGVPLSRLGKTNGEVLDRHRDLV-VEAVVERLLLL 150
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 429 KMLEVESSDMSAEELVQAGLCDPIRTFVKREPHKQSKLDEGRYRLIMSVSLVDQLVARVLFQNQNKREIALRRANPSKPG 508
Cdd:cd23180   151 LSRTLEIHDMSPVELVRDGLCDPVRLFVKQEPHKKKKLREGRFRLISSVSLVDQLVERMLFGPQNRLEIALWHSIPSKPG 230
                         250       260       270       280       290       300       310       320
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 509 FGLSTDEQVLEFVQALAAQVEVSPeemftswekyLVPTDCSGFDWSVAEWMLHDDMVVRNKLTLDLnPTTEMLRSAWLKC 588
Cdd:cd23180   231 MGLSTDEQADLLWEDLAAKHGTAP----------AAEADISGFDWSVQDWELWADLEMRIELGSFP-DLLRRAAINRFYC 299
                         330       340       350       360       370       380       390       400
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 589 ICNSVLCLSDGTLLAQRVPGVQKSGSYNTSSSNSRIRVMAAYHCGADWAMAMGDDALESVNTN-LEVYKDLGFKVEVS-- 665
Cdd:cd23180   300 FMNSVFQLSNGTLIAQELPGLMKSGSYCTSSTNSRIRCLMAELIGAPWCIAMGDDSVEGYVEGaLEKYEELGHTCKEYep 379
                         410       420       430       440       450
                  ....*....|....*....|....*....|....*....|....*....|....*..
gi 1774881334 666 ---------GQLEFCSHIFRAPDLaLPVNVRKMLYKLIFGYNPGSGNLEVISNYIAA 713
Cdd:cd23180   380 cdvdsdgelEEVNFCSHLISRGKF-WLTSWPKTLYRFLSSPSPEFEDLEAELGSSPA 435
Peptidase_S39 super family cl09540
Peptidase S39; This family contains polyprotein processing endopeptidases from RNA viruses.
2-74 8.30e-28

Peptidase S39; This family contains polyprotein processing endopeptidases from RNA viruses.


The actual alignment was detected with superfamily member pfam02122:

Pssm-ID: 111059  Cd Length: 203  Bit Score: 111.32  E-value: 8.30e-28
                          10        20        30        40        50        60        70
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*.
gi 1774881334   2 EIVGPrDHWFATTLCNSEPGHSGTPIFNGITIVGVHAG---GENEQNFNVMATIPPVPGLTTPQYVFETTAPQGRV 74
Cdd:pfam02122 129 KIPGS-EGKFASVLSNTSPGHSGTPYFSGKNVVGVHKGsasGSERENYNLMSPIPPIPGLTSPKYVFETTAPQGRV 203
 
Name Accession Description Interval E-value
ps-ssRNAv_Solemoviridae_RdRp cd23180
catalytic core domain of RNA-dependent RNA polymerase (RdRp) in the family Solemoviridae of ...
270-713 0e+00

catalytic core domain of RNA-dependent RNA polymerase (RdRp) in the family Solemoviridae of positive-sense single-stranded RNA [(+)ssRNA] viruses; This group contains the RdRp of RNA viruses belonging to the family Solemoviridae, order Sobelivirales. Plant viruses in the family Solemoviridae have stable icosahedral particles assembled on T=3 symmetry and a relatively small (4-4.6 kb) monopartite (+)ssRNA genome with 4-5 open reading frames (ORFs). The natural host range is relatively narrow for each virus. Viral transmission occurs via mechanical wounding, by vegetative propagation or abiotically through soil; insects (beetles, aphids, thrips, hoppers, mirid bugs, moths) can also be vectors. Viruses infecting legumes or plants from the family Chenopodiaceae may be seed-transmissible. Members of the family are classified into four genera: Sobemovirus, Polemovirus, Polerovirus, Enamovirus. The viral polyprotein contains domains of the membrane anchor, a serine protease, a genome-linked viral protein (VPg) and C-terminal protein(s) or an RdRp, expressed by means of ribosomal frameshifting. The RdRp domain displays a right hand with three functional subdomains, called fingers, palm, and thumb. All RdRps contain conserved polymerase motifs (A-G), located in the palm (A-E motifs) and finger (F-G) subdomains. All these motifs have been implicated in RdRp fidelity such as processes of correct incorporation and reorganization of nucleotides.


Pssm-ID: 438030  Cd Length: 447  Bit Score: 569.21  E-value: 0e+00
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 270 GFQQCGSLPQYYHPKQIKGSDWgsqLIQEHPELGEKVSGFGWPAVGPQAEVTSLTLQAERWLQRAQSakIPSSEDRERVI 349
Cdd:cd23180     1 GFRYVGKSSCKFREGSRKALSE---AVRAAESLFPELEGYGWPERGSKAELDSLLLQAGRFRRTSCP--EPLEEACERLI 75
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 350 NKTVEAY-SNVKTFGPTATRANKLEWRqfleDFKSAVFSLELDAGIGVPYIAYGRPTHKGWVEDPKLLpVLARLTFNRLQ 428
Cdd:cd23180    76 ERYPKSRpRRCFRREPWCREQLLEEQI----EFTAASREINLKASPGVPLSRLGKTNGEVLDRHRDLV-VEAVVERLLLL 150
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 429 KMLEVESSDMSAEELVQAGLCDPIRTFVKREPHKQSKLDEGRYRLIMSVSLVDQLVARVLFQNQNKREIALRRANPSKPG 508
Cdd:cd23180   151 LSRTLEIHDMSPVELVRDGLCDPVRLFVKQEPHKKKKLREGRFRLISSVSLVDQLVERMLFGPQNRLEIALWHSIPSKPG 230
                         250       260       270       280       290       300       310       320
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 509 FGLSTDEQVLEFVQALAAQVEVSPeemftswekyLVPTDCSGFDWSVAEWMLHDDMVVRNKLTLDLnPTTEMLRSAWLKC 588
Cdd:cd23180   231 MGLSTDEQADLLWEDLAAKHGTAP----------AAEADISGFDWSVQDWELWADLEMRIELGSFP-DLLRRAAINRFYC 299
                         330       340       350       360       370       380       390       400
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 589 ICNSVLCLSDGTLLAQRVPGVQKSGSYNTSSSNSRIRVMAAYHCGADWAMAMGDDALESVNTN-LEVYKDLGFKVEVS-- 665
Cdd:cd23180   300 FMNSVFQLSNGTLIAQELPGLMKSGSYCTSSTNSRIRCLMAELIGAPWCIAMGDDSVEGYVEGaLEKYEELGHTCKEYep 379
                         410       420       430       440       450
                  ....*....|....*....|....*....|....*....|....*....|....*..
gi 1774881334 666 ---------GQLEFCSHIFRAPDLaLPVNVRKMLYKLIFGYNPGSGNLEVISNYIAA 713
Cdd:cd23180   380 cdvdsdgelEEVNFCSHLISRGKF-WLTSWPKTLYRFLSSPSPEFEDLEAELGSSPA 435
RdRP_4 pfam02123
Viral RNA-directed RNA-polymerase; This family includes RNA-dependent RNA polymerase proteins ...
292-685 2.98e-96

Viral RNA-directed RNA-polymerase; This family includes RNA-dependent RNA polymerase proteins (RdRPs) from Luteovirus, Totivirus and Rotavirus.


Pssm-ID: 280316  Cd Length: 465  Bit Score: 305.54  E-value: 2.98e-96
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 292 GSQLIQEHPELGEKVSGFGWPAVGPQAEV-----TSLTLQAERWLQRAQSAKIPSSEDRERVINKTVEAYSNvktFGPTA 366
Cdd:pfam02123   1 GDRLLLTKEFELELFPLKSWPAAGEKANAiarslQSYLPTLAFWLGRFLSAVTPYNDYVAAILLYTIEAYAA---SKPGG 77
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 367 TRANKLEW---RQFLEDFKSAVFSLELDAGIGVPYIAYGRP------THKGWVEDPKLLPVLARLTFNRLQKMLEVESSD 437
Cdd:pfam02123  78 YRLRRAAWansSDFAKDLSDILKSLGLNASSPGPKLVEGNPllgrgvTNVDWEEEAKNRVDLAVVCRLVLLPMEELRAHI 157
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 438 MSA--EELVQAGLCDPIRTFVKREP------HKQSKLDEGRYRLIMSVSLVDQLVARVLFQNQNKREIALRRANPSKPGF 509
Cdd:pfam02123 158 DAVldELVVRRGLCDPIRLFVKNEPlwcvngHPDHKLREGRLRLLSSVSLVDQLVRRMLFEPQNNNEIAWWGSVPSKPSM 237
                         250       260       270       280       290       300       310       320
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 510 GL----STDEQVLEFVQALAAQVEVSP-EEMFTSWEKYLVPT--DCSGFDWSVAEW--------MLHDDMVvRNKLTLDL 574
Cdd:pfam02123 238 KLehgkSRAIYACDTRSYLAFEYLLAPvEKAWANKSVILNPGegDISGFDWSVQDWkrggvslmLDYDDFN-SQHSTESM 316
                         330       340       350       360       370       380       390       400
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 575 NPTTEMLRS----------AWLKCICNSVLCLSDGTLLAQRVPGVQKSGSYNTSSSNSRIRVMAAYHCGADW-----AMA 639
Cdd:pfam02123 317 RAVFERLRRrlpdepaeaaDWLVCSMDSMYQLSDGTLLAQRVPGTLKSGHRATTFINSVLNCAYAELAGAPWadvptSIH 396
                         410       420       430       440       450       460
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*...
gi 1774881334 640 MGDDALESVNTN------LEVYKDLGFKVEVSGQ-----------LEFCSHIF-----RAPDLALPVN 685
Cdd:pfam02123 397 MGDDVLEGLRTPadatslLDKYARLGFKVNPSKQsvghtiaeflrVAFCSHEVrgylaRAIASLVSGN 464
Peptidase_S39 pfam02122
Peptidase S39; This family contains polyprotein processing endopeptidases from RNA viruses.
2-74 8.30e-28

Peptidase S39; This family contains polyprotein processing endopeptidases from RNA viruses.


Pssm-ID: 111059  Cd Length: 203  Bit Score: 111.32  E-value: 8.30e-28
                          10        20        30        40        50        60        70
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*.
gi 1774881334   2 EIVGPrDHWFATTLCNSEPGHSGTPIFNGITIVGVHAG---GENEQNFNVMATIPPVPGLTTPQYVFETTAPQGRV 74
Cdd:pfam02122 129 KIPGS-EGKFASVLSNTSPGHSGTPYFSGKNVVGVHKGsasGSERENYNLMSPIPPIPGLTSPKYVFETTAPQGRV 203
alphaLP-like cd21112
alpha-lytic protease (alpha-LP), a bacterial serine protease of the chymotrypsin family, and ...
11-40 3.62e-03

alpha-lytic protease (alpha-LP), a bacterial serine protease of the chymotrypsin family, and similar proteins; This family represents the catalytic domain of alpha-lytic protease (alpha-LP) and its closely-related homologs. Alpha-lytic protease (EC 3.4.21.12; also called alpha-lytic endopeptidase), originally isolated from the myxobacterium Lysobacter enzymogenes, belongs to the MEROPS peptidase family S1, subfamily S1E (streptogrisin A subfamily). It is synthesized as a pro-enzyme, thus having two domains; the N-terminal pro-domain acts as a foldase, required transiently for the correct folding of the protease domain, and also acts as a potent inhibitor of the mature enzyme, while the C-terminal domain catalyzes the cleavage of peptide bonds. Members of the alpha-lytic protease subfamily include Nocardiopsis alba protease (NAPase), a secreted chymotrypsin from the alkaliphile Cellulomonas bogoriensis, streptogrisins (SPG-A, SPG-B, SPG-C, and SPG-D), and Thermobifida fusca protease A (TFPA). These serine proteases have characteristic kinetic stability, exhibited by their extremely slow unfolding kinetics. The active site, characteristic of serine proteases, contains the catalytic triad consisting of serine acting as a nucleophile, aspartate as an electrophile, and histidine as a base, all required for activity. This model represents the C-terminal catalytic domain of alpha-lytic proteases.


Pssm-ID: 411050  Cd Length: 188  Bit Score: 39.21  E-value: 3.62e-03
                          10        20        30
                  ....*....|....*....|....*....|
gi 1774881334  11 FATTLCnSEPGHSGTPIFNGITIVGVHAGG 40
Cdd:cd21112   136 TRTNAC-AEPGDSGGPVFSGTQALGITSGG 164
 
Name Accession Description Interval E-value
ps-ssRNAv_Solemoviridae_RdRp cd23180
catalytic core domain of RNA-dependent RNA polymerase (RdRp) in the family Solemoviridae of ...
270-713 0e+00

catalytic core domain of RNA-dependent RNA polymerase (RdRp) in the family Solemoviridae of positive-sense single-stranded RNA [(+)ssRNA] viruses; This group contains the RdRp of RNA viruses belonging to the family Solemoviridae, order Sobelivirales. Plant viruses in the family Solemoviridae have stable icosahedral particles assembled on T=3 symmetry and a relatively small (4-4.6 kb) monopartite (+)ssRNA genome with 4-5 open reading frames (ORFs). The natural host range is relatively narrow for each virus. Viral transmission occurs via mechanical wounding, by vegetative propagation or abiotically through soil; insects (beetles, aphids, thrips, hoppers, mirid bugs, moths) can also be vectors. Viruses infecting legumes or plants from the family Chenopodiaceae may be seed-transmissible. Members of the family are classified into four genera: Sobemovirus, Polemovirus, Polerovirus, Enamovirus. The viral polyprotein contains domains of the membrane anchor, a serine protease, a genome-linked viral protein (VPg) and C-terminal protein(s) or an RdRp, expressed by means of ribosomal frameshifting. The RdRp domain displays a right hand with three functional subdomains, called fingers, palm, and thumb. All RdRps contain conserved polymerase motifs (A-G), located in the palm (A-E motifs) and finger (F-G) subdomains. All these motifs have been implicated in RdRp fidelity such as processes of correct incorporation and reorganization of nucleotides.


Pssm-ID: 438030  Cd Length: 447  Bit Score: 569.21  E-value: 0e+00
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 270 GFQQCGSLPQYYHPKQIKGSDWgsqLIQEHPELGEKVSGFGWPAVGPQAEVTSLTLQAERWLQRAQSakIPSSEDRERVI 349
Cdd:cd23180     1 GFRYVGKSSCKFREGSRKALSE---AVRAAESLFPELEGYGWPERGSKAELDSLLLQAGRFRRTSCP--EPLEEACERLI 75
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 350 NKTVEAY-SNVKTFGPTATRANKLEWRqfleDFKSAVFSLELDAGIGVPYIAYGRPTHKGWVEDPKLLpVLARLTFNRLQ 428
Cdd:cd23180    76 ERYPKSRpRRCFRREPWCREQLLEEQI----EFTAASREINLKASPGVPLSRLGKTNGEVLDRHRDLV-VEAVVERLLLL 150
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 429 KMLEVESSDMSAEELVQAGLCDPIRTFVKREPHKQSKLDEGRYRLIMSVSLVDQLVARVLFQNQNKREIALRRANPSKPG 508
Cdd:cd23180   151 LSRTLEIHDMSPVELVRDGLCDPVRLFVKQEPHKKKKLREGRFRLISSVSLVDQLVERMLFGPQNRLEIALWHSIPSKPG 230
                         250       260       270       280       290       300       310       320
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 509 FGLSTDEQVLEFVQALAAQVEVSPeemftswekyLVPTDCSGFDWSVAEWMLHDDMVVRNKLTLDLnPTTEMLRSAWLKC 588
Cdd:cd23180   231 MGLSTDEQADLLWEDLAAKHGTAP----------AAEADISGFDWSVQDWELWADLEMRIELGSFP-DLLRRAAINRFYC 299
                         330       340       350       360       370       380       390       400
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 589 ICNSVLCLSDGTLLAQRVPGVQKSGSYNTSSSNSRIRVMAAYHCGADWAMAMGDDALESVNTN-LEVYKDLGFKVEVS-- 665
Cdd:cd23180   300 FMNSVFQLSNGTLIAQELPGLMKSGSYCTSSTNSRIRCLMAELIGAPWCIAMGDDSVEGYVEGaLEKYEELGHTCKEYep 379
                         410       420       430       440       450
                  ....*....|....*....|....*....|....*....|....*....|....*..
gi 1774881334 666 ---------GQLEFCSHIFRAPDLaLPVNVRKMLYKLIFGYNPGSGNLEVISNYIAA 713
Cdd:cd23180   380 cdvdsdgelEEVNFCSHLISRGKF-WLTSWPKTLYRFLSSPSPEFEDLEAELGSSPA 435
RdRP_4 pfam02123
Viral RNA-directed RNA-polymerase; This family includes RNA-dependent RNA polymerase proteins ...
292-685 2.98e-96

Viral RNA-directed RNA-polymerase; This family includes RNA-dependent RNA polymerase proteins (RdRPs) from Luteovirus, Totivirus and Rotavirus.


Pssm-ID: 280316  Cd Length: 465  Bit Score: 305.54  E-value: 2.98e-96
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 292 GSQLIQEHPELGEKVSGFGWPAVGPQAEV-----TSLTLQAERWLQRAQSAKIPSSEDRERVINKTVEAYSNvktFGPTA 366
Cdd:pfam02123   1 GDRLLLTKEFELELFPLKSWPAAGEKANAiarslQSYLPTLAFWLGRFLSAVTPYNDYVAAILLYTIEAYAA---SKPGG 77
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 367 TRANKLEW---RQFLEDFKSAVFSLELDAGIGVPYIAYGRP------THKGWVEDPKLLPVLARLTFNRLQKMLEVESSD 437
Cdd:pfam02123  78 YRLRRAAWansSDFAKDLSDILKSLGLNASSPGPKLVEGNPllgrgvTNVDWEEEAKNRVDLAVVCRLVLLPMEELRAHI 157
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 438 MSA--EELVQAGLCDPIRTFVKREP------HKQSKLDEGRYRLIMSVSLVDQLVARVLFQNQNKREIALRRANPSKPGF 509
Cdd:pfam02123 158 DAVldELVVRRGLCDPIRLFVKNEPlwcvngHPDHKLREGRLRLLSSVSLVDQLVRRMLFEPQNNNEIAWWGSVPSKPSM 237
                         250       260       270       280       290       300       310       320
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 510 GL----STDEQVLEFVQALAAQVEVSP-EEMFTSWEKYLVPT--DCSGFDWSVAEW--------MLHDDMVvRNKLTLDL 574
Cdd:pfam02123 238 KLehgkSRAIYACDTRSYLAFEYLLAPvEKAWANKSVILNPGegDISGFDWSVQDWkrggvslmLDYDDFN-SQHSTESM 316
                         330       340       350       360       370       380       390       400
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 575 NPTTEMLRS----------AWLKCICNSVLCLSDGTLLAQRVPGVQKSGSYNTSSSNSRIRVMAAYHCGADW-----AMA 639
Cdd:pfam02123 317 RAVFERLRRrlpdepaeaaDWLVCSMDSMYQLSDGTLLAQRVPGTLKSGHRATTFINSVLNCAYAELAGAPWadvptSIH 396
                         410       420       430       440       450       460
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*...
gi 1774881334 640 MGDDALESVNTN------LEVYKDLGFKVEVSGQ-----------LEFCSHIF-----RAPDLALPVN 685
Cdd:pfam02123 397 MGDDVLEGLRTPadatslLDKYARLGFKVNPSKQsvghtiaeflrVAFCSHEVrgylaRAIASLVSGN 464
ps-ssRNAv_Barnaviridae_RdRp cd23184
catalytic core domain of RNA-dependent RNA polymerase (RdRp) in the family Barnaviridae of ...
438-675 7.70e-55

catalytic core domain of RNA-dependent RNA polymerase (RdRp) in the family Barnaviridae of positive-sense single-stranded RNA [(+)ssRNA] viruses; This group contains the catalytic core domain of RdRp of RNA viruses belonging to the family Barnaviridae, order Sobelivirales, and related viruses. Barnaviridae is a family of non-enveloped, (+)ssRNA viruses. Cultivated mushrooms serve as natural hosts. The family has one genus, Barnavirus, which contains one species: Mushroom bacilliform virus (MBV) which infects the common cultivated button mushroom (Agaricus bisporus), and Bacilliform particles, which are morphologically similar to MBV, have been observed in the field mushroom Agaricus campestris. MBV viral transmission is horizontal via mycelium and possibly basidiospores. Distribution of MBV coincides with that of the commercial cultivation of Agaricus bisporus; the virus has been reported to occur in most major mushroom-growing countries. MBV is capable of autonomous replication, but commonly occurs as a double infection with a double-stranded RNA (dsRNA) virus (LaFrance isometric virus, LFIV) in mushrooms afflicted with La France disease. MBV is not required in pathogenesis involving LFIV, but it remains to be determined if it is a second, minor causal agent of LaFrance disease. MBV ssRNA and LFIV dsRNA do not share sequence homology. The RdRp domain displays a right hand with three functional subdomains, called fingers, palm, and thumb. All RdRps contain conserved polymerase motifs (A-G), located in the palm (A-E motifs) and finger (F-G) subdomains. All these motifs have been implicated in RdRp fidelity such as processes of correct incorporation and reorganization of nucleotides.


Pssm-ID: 438034  Cd Length: 261  Bit Score: 188.88  E-value: 7.70e-55
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 438 MSAEELVQAGLCDPIRTFVKREPHKQSKLDEGRYRLIMSVSLVDQLVARVLFQNQNKREIALRRANPSKPGFGLStDEQV 517
Cdd:cd23184    12 MSPSELVQNGICDPVKVFIKQEPHSLKKINAGKLRIIAAVSLVDQIKTRLLCMTQNNAEIDCWESCPSKPGLGLH-DEGL 90
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 518 leFVQALAAQVEVSPEEmftswekyLVPTDCSGFDWSVAEWMLHDDMVVRNKLT-LDLNPTTEMLRSAWLKCICNSVLCL 596
Cdd:cd23184    91 --RTIASNAQEMLEHGE--------LAETDISGWDWSVQQWELDADAERRTQLAgAEIGGVFNFLLRVHAYCVGHSVFVL 160
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 597 SDGTLLAQRVPGVQKSGSYNTSSSNSRIRVMAAYHCGADWA-----------MAMGDDALESVNTNLEVY-KDLGFKVEV 664
Cdd:cd23184   161 PDGEMLEQTVPGGQLSGDYNTSSSNSRMRVCATLFARYLAGqpllvfglipvKAMGDDSFELWFPGLEEYlRSMGHTVKF 240
                         250
                  ....*....|....*..
gi 1774881334 665 SGQ------LEFCSHIF 675
Cdd:cd23184   241 VVQrpglqgFEFCSQVF 257
Peptidase_S39 pfam02122
Peptidase S39; This family contains polyprotein processing endopeptidases from RNA viruses.
2-74 8.30e-28

Peptidase S39; This family contains polyprotein processing endopeptidases from RNA viruses.


Pssm-ID: 111059  Cd Length: 203  Bit Score: 111.32  E-value: 8.30e-28
                          10        20        30        40        50        60        70
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*.
gi 1774881334   2 EIVGPrDHWFATTLCNSEPGHSGTPIFNGITIVGVHAG---GENEQNFNVMATIPPVPGLTTPQYVFETTAPQGRV 74
Cdd:pfam02122 129 KIPGS-EGKFASVLSNTSPGHSGTPYFSGKNVVGVHKGsasGSERENYNLMSPIPPIPGLTSPKYVFETTAPQGRV 203
ps-ssRNAv_Alvernaviridae_RdRp cd23181
RNA-dependent RNA polymerase (RdRp) in the family Alvernaviridae of positive-sense ...
455-679 2.26e-07

RNA-dependent RNA polymerase (RdRp) in the family Alvernaviridae of positive-sense single-stranded RNA [(+)ssRNA] viruses; This group contains the RdRp of RNA viruses belonging to the family Alvernaviridae, order Sobelivirales. Alvernaviridae is a family of non-enveloped [(+)ssRNA] viruses. Dinoflagellates serve as natural hosts. There is one genus in this family, Dinornavirus, which contains one species: Heterocapsa circularisquama RNA virus 01. Diseases associated with this family include host population control, possibly through lysis of the host cell. The RdRp domain displays a right hand with three functional subdomains, called fingers, palm, and thumb. All RdRps contain conserved polymerase motifs (A-G), located in the palm (A-E motifs) and finger (F-G) subdomains. All these motifs have been implicated in RdRp fidelity such as processes of correct incorporation and reorganization of nucleotides.


Pssm-ID: 438031  Cd Length: 304  Bit Score: 53.18  E-value: 2.26e-07
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 455 FVKREPHKQSKLDEGRYRLIMSVSLVDQLVA----RVLFQNQNkREIALRRANPSKPGFGlSTDEQVLEFVQALAAQVev 530
Cdd:cd23181     3 FVKDEPHTADKARREMWRLIWNVSLVDSICQayfnRELNLQQN-RDYQGGHPVPHTCGMG-HHDEGIKRLGEAIEAAF-- 78
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 531 sPEEMFTSwekylvpTDCSGFDWSVAEWMLHDDMVVRNKLTLDLNPTT-------------EMLRSAWLKCICNSvlcls 597
Cdd:cd23181    79 -PDGIVCS-------SDASGWDMSVSRDGLIFDGLVRAIRTQDPSATAyhnigtsvcilldKFVQSAHMICTGTS----- 145
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 598 dgtLLAQRVPGVQKSGSYNTSSSNSRIRVMAAYHCGADWAMAMGDDALESVNTNLEVYKDLG--FKVEVS------GQ-L 668
Cdd:cd23181   146 ---LWSVDVYGITASGLPDTTTQNSFVRGMGAKLAGCFKALTAGDDLLCDNRLRLPVLTEHGtiTKGDVTtanwrkGQpV 222
                         250
                  ....*....|..
gi 1774881334 669 EFCSH-IFRAPD 679
Cdd:cd23181   223 GFTSHsLVRGPD 234
RNA_dep_RNAP cd01699
RNA_dep_RNAP: RNA-dependent RNA polymerase (RdRp) is an essential protein encoded in the ...
427-676 8.66e-07

RNA_dep_RNAP: RNA-dependent RNA polymerase (RdRp) is an essential protein encoded in the genomes of all RNA containing viruses with no DNA stage. RdRp catalyzes synthesis of the RNA strand complementary to a given RNA template. RdRps of many viruses are products of processing of polyproteins. Some RdRps consist of one polypeptide chain, and others are complexes of several subunits. The domain organization and the 3D structure of the catalytic center of a wide range of RdRps, including those with a low overall sequence homology, are conserved. The catalytic center is formed by several motifs containing a number of conserved amino acid residues. This subfamily represents the RNA-dependent RNA polymerases from all positive-strand RNA eukaryotic viruses with no DNA stage.


Pssm-ID: 238843 [Multi-domain]  Cd Length: 278  Bit Score: 51.13  E-value: 8.66e-07
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 427 LQKMLEvessdmSAEELVQAGLCDPIRTFVKREPHKQSKLDEGRYRLIMSVSLVDQLVARVLFQNQNKREIALRRANPSK 506
Cdd:cd01699     1 LEKAVE------SLEDLPLIRPDLVFTTFLKDELRPLEKVEAGKTRLIQPRPLDYNIALRMYLGPFEAKLMKNRGGLPIA 74
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 507 pgFGLSTDEQVLEfvqALAaqvevspeEMFTSWEKYLVPTDCSGFDWSVAEWMLHDDMVVRNKLTLDLNpttEMLRSAWL 586
Cdd:cd01699    75 --VGINPYSRDWT---ILA--------NKLRSFSPVAIALDYSRFDSSLSPQLLEAEHSIYNALYDDDD---ELERRNLL 138
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 587 KCICNSVLclSDGTLLAQRVPGVQKSGSYNTSSSNS---RIRVMAAY-HCGADWAMAM------GDDALESVNTNLEVY- 655
Cdd:cd01699   139 RSLTNNSL--HIGFNEVYKVRGGRPSGDPLTSIGNSiinCILVRYAFrKLGGKSFFKNvrllnyGDDCLLSVEKADDKFn 216
                         250       260       270
                  ....*....|....*....|....*....|....*....
gi 1774881334 656 --------KDLGFKVEVSG----------QLEFCSHIFR 676
Cdd:cd01699   217 letlaewlKEYGLTMTDEDkvespfrpleEVEFLKRRFV 255
RdRP_1 pfam00680
Viral RNA-dependent RNA polymerase; This family represents the RNA-directed RNA polymerase ...
343-705 1.58e-05

Viral RNA-dependent RNA polymerase; This family represents the RNA-directed RNA polymerase found in many positive strand RNA eukaryotic viruses. Structural studies indicate that these proteins form the "right hand" structure found in all oligonucleotide polymerases, containing thumb, finger and palm domains, and also the additional bridging finger and thumb domains unique to RNA-directed RNA polymerases.


Pssm-ID: 425815  Cd Length: 450  Bit Score: 47.79  E-value: 1.58e-05
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 343 EDRERVINKTVEAYSNVKTFGPTATrANKLEWRQFLEDFKSAVFSLELDAGIGVPYIAYGrpTHKG----WVEDPKLLPV 418
Cdd:pfam00680  52 DERDKLLNRSAAKMVLSELRGVPKK-ANSTLIVYRAIDGVEQIDPLNWDTSAGYPYVGLG--GKKGdlieHLKDGTEARE 128
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 419 LARLTFNRLQKMLEVESSDMsaeeLVQAGLCDPIRtfvkrephKQSKLDEGRYRLIMSVSLVDQLVARVLFQNQNKreia 498
Cdd:pfam00680 129 LAERLAADWEVLQNGTPLKL----VYQTCLKDELR--------PLEKVEKGKTRLVWGEPVEYLLLERAFFDPFNQ---- 192
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 499 LRRANPSKPGFGLSTDEQVLEfVQALAAQvevspeemFTSWEKYLVPTDCSGFDWSVAEWMLHddmvVRNKLTLDLNPTT 578
Cdd:pfam00680 193 AFMLNNGFHPIQVGINPFDRG-WPRLLRR--------LARFGDYVYELDYSGFDSSVPPWLIR----FAFEILRELLGFP 259
                         250       260       270       280       290       300       310       320
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 579 EmLRSAW---LKCICNSVLCLSDGTLLaqRVPGVQKSGSYNTSSSNS---RIRVMAAY----------HCGADWAMAM-- 640
Cdd:pfam00680 260 S-NVKEWraiLELLIYTPIALPNGTVF--KKTGGLPSGSPFTSIINSivnYLLILYALlkslendgprVCNLDKYFDFft 336
                         330       340       350       360       370       380       390       400
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 641 -GDDALESVNTNL--------EVYKDLGFKV-------EVSGQLE---FCSHIFRA-PDLALPVNVRKMLYKLIFGYNPG 700
Cdd:pfam00680 337 yGDDSLVAVSPDFdpvldrlsPHLKELGLTItpakktfPVSRELEevsFLKRTFRKtPGGYRPPLDRKRILAQLEYIRSK 416

                  ....*...
gi 1774881334 701 ---SGNLE 705
Cdd:pfam00680 417 pvpSGQLE 424
Alphanecrovirus_RdRp cd23237
catalytic core domain of RNA-dependent RNA polymerase (RdRp) in the genus Alphanecrovirus of ...
528-671 3.71e-05

catalytic core domain of RNA-dependent RNA polymerase (RdRp) in the genus Alphanecrovirus of positive-sense single-stranded RNA [(+)ssRNA] viruses, within the Procedovirinae subfamily; This group contains the catalytic core domain of RdRp of RNA viruses belonging to the Alphanecrovirus genus within the subfamily Procedovirinae, family Tombusviridae, order Tolivirales. Alphanecroviruses are non-enveloped, with icosahedral and spherical geometries, and T=3 symmetry, and a diameter of around 28 nm. Their genomes are linear, around 4 kb in length. In the Alphanecrovirus genus plants serve as natural hosts. There are 4 species in this genus: Olive latent virus 1, Olive mild mosaic virus, Potato necrosis virus, and Tobacco necrosis virus A. The RdRp domain displays a right hand with three functional subdomains, called fingers, palm, and thumb. All RdRps contain conserved polymerase motifs (A-G), located in the palm (A-E motifs) and finger (F-G) subdomains. All these motifs have been implicated in RdRp fidelity such as processes of correct incorporation and reorganization of nucleotides.


Pssm-ID: 438087  Cd Length: 439  Bit Score: 46.95  E-value: 3.71e-05
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 528 VEVSPEEMFTSWEKYLVPT----DCSGFDWSVAEWMLHddmvVRNKLTLDLNPTTEMLRsaWL--KCICNSVLCLSDGTL 601
Cdd:cd23237   143 LEQQGEIMRSKWKKYVNPVavglDASRFDQHVSVEALQ----YEHEFYLRDYPNDKQLK--WLlkQQLCNIGTAFASDGI 216
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 602 LAQRVPGVQKSGSYNTSSSNSRIRVMAAY----HCGADWAMA-MGDD--------ALESVNTNLEVY-KDLGFKVEVSG- 666
Cdd:cd23237   217 IKYKKEGCRMSGDMNTSLGNCILMCAMVYglkeHLGINLSLAnNGDDcvivcekaDLKKLTSSIEPYfKQFGFKMEVEKp 296
                         170
                  ....*....|
gi 1774881334 667 -----QLEFC 671
Cdd:cd23237   297 vdifeRIEFC 306
ps-ssRNAv_RdRp-like cd23167
conserved catalytic core domain of RNA-dependent RNA polymerase (RdRp) from the positive-sense ...
610-649 5.24e-04

conserved catalytic core domain of RNA-dependent RNA polymerase (RdRp) from the positive-sense single-stranded RNA [(+)ssRNA] viruses and closely related viruses; This family contains the catalytic core domain of RdRp of RNA viruses which belong to Group IV of the Baltimore classification system, and are a group of related viruses that have positive-sense (+), single-stranded (ss) genomes made of ribonucleic acid (RNA). RdRp (also known as RNA replicase) catalyzes the replication of RNA from an RNA template; specifically, it catalyzes the synthesis of the RNA strand complementary to a given RNA template. The Baltimore Classification is divided into 7 classes, 3 of which include RNA viruses: Group IV (+) RNA viruses, Group III double-stranded (ds) RNA viruses, and Group V negative-sense (-) RNA viruses. Baltimore groups of viruses differ with respect to the nature of their genome (i.e., the nucleic acid form that is packaged into virions) and correspond to distinct strategies of genome replication and expression. (+) viral RNA is similar to mRNA and thus can be immediately translated by the host cell. (+)ssRNA viruses can also produce (+) copies of the genome from (-) strands of an intermediate dsRNA genome. This acts as both a transcription and a replication process since the replicated RNA is also mRNA. RdRps belong to the expansive class of polymerases containing so-called palm catalytic domains along with the accessory fingers and thumb domains. All RdRps also have six conserved structural motifs (A-F), located in its majority in the palm subdomain (A-E motifs) and the F motif is located on the finger subdomain. All these motifs have been shown to be implicated in RdRp fidelity such as processes of correct incorporation and reorganization of nucleotides. In addition to Group IV viruses, this model also includes Picobirnaviruses (PBVs), members of the family Picobirnaviridae of dsRNA viruses (Baltimore classification Group III), which are bi-segmented dsRNA viruses. The phylogenetic tree of the RdRps of RNA viruses (realm Riboviria) showed that picobirnaviruses are embedded in the branch of diverse (+)RNA viruses; sometimes they are collectively referred to as the picornavirus supergroup. RdRps of members of the family Permutatetraviridae, a distinct group of RNA viruses that encompass a circular permutation within the RdRp palm domain, are not included in this model.


Pssm-ID: 438017 [Multi-domain]  Cd Length: 73  Bit Score: 38.86  E-value: 5.24e-04
                          10        20        30        40        50
                  ....*....|....*....|....*....|....*....|....*....|.
gi 1774881334 610 QKSGSYNTSSSNSRIRVMAAY-----HCGADWA------MAMGDDALESVN 649
Cdd:cd23167    23 QPSGSPNTSADNSLINLLLARlalrkACGRAEFlnsvgiLVYGDDSLVSVP 73
Enterovirus_RdRp cd23213
RNA-dependent RNA polymerase (RdRp) in the Enterovirus genus of positive-sense single-stranded ...
387-647 2.07e-03

RNA-dependent RNA polymerase (RdRp) in the Enterovirus genus of positive-sense single-stranded RNA [(+)ssRNA] viruses, within the family Picornaviridae; This group contains the RdRp of RNA viruses belonging to the Enterovirus genus within the family Picornaviridae, order Picornavirales. Enteroviruses have small, non-enveloped (+)ssRNA genomes, and replicate within the gastrointestinal tract or other mucosal surfaces. The genus Enterovirus has been divided into 15 species based on genetic divergence (EV A-L and Rhinovirus A-C), and its major members include poliovirus, coxsackievirus and rhinovirus. More than 100 enterovirus types have been associated with several human diseases, all of which are classified into four species (Enterovirus A, Enterovirus B, Enterovirus C, and Enterovirus D). RdRps are multi-domain proteins that play a pivotal role in enterovirus replication. RdRps catalyze RNA template-dependent formation of phosphodiester bonds between ribonucleotides in the presence of divalent metal ions. The initiation of synthesis occurs at the 3'-end of the template in a VPg-dependent manner, and proceeds in the direction of 5'-3'. The active sites of RdRps are highly conserved in different species of enteroviruses. The RdRp domain displays a right hand with three functional subdomains, called fingers, palm, and thumb. All RdRps contain conserved polymerase motifs (A-G), located in the palm (A-E motifs) and finger (F-G) subdomains. All these motifs have been implicated in RdRp fidelity such as processes of correct incorporation and reorganization of nucleotides.


Pssm-ID: 438063  Cd Length: 453  Bit Score: 41.36  E-value: 2.07e-03
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 387 SLELDAGIGVPYIAYGRpthkgwvedpKLLPVLARLT--FNRLQKMLEvessdmsaeelvQAGLCDPIRTFVKREPHKQS 464
Cdd:cd23213   101 ALDLHTSAGYPYVALGI----------KKRDILNKKTrdTSKMKKYLD------------KYGLDLPMVTYVKDELRSKD 158
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 465 KLDEGRYRLIMSVSLVDQLVARVLFQNqnkreiaLRRANPSKPGFglstdeqvlefvqALAAQVEVSPEemfTSWEK--Y 542
Cdd:cd23213   159 KVEKGKSRLIEASSLNDSVAMRMTFGN-------LYATFHLNPGV-------------VTGSAVGCDPD---TFWSKipI 215
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 1774881334 543 LVPTDCSGFDWSVAEWMLHDDMVVRNKLTLDLNPTTEmlRSAWLKCICNSVLCLSDGTLLaqrVPGVQKSGSYNTSSSNS 622
Cdd:cd23213   216 LLDGSLFAFDYTGYDASLSPVWFRALKMVLEKGYSEE--AVSLIDYLNHSHHLYKNKTYC---VLGGMPSGCSGTSIFNS 290
                         250       260       270
                  ....*....|....*....|....*....|....*.
gi 1774881334 623 RIR-------VMAAYHcGADW----AMAMGDDALES 647
Cdd:cd23213   291 MINniiirtlLLKTYK-GIDLdelkMIAYGDDVIAS 325
alphaLP-like cd21112
alpha-lytic protease (alpha-LP), a bacterial serine protease of the chymotrypsin family, and ...
11-40 3.62e-03

alpha-lytic protease (alpha-LP), a bacterial serine protease of the chymotrypsin family, and similar proteins; This family represents the catalytic domain of alpha-lytic protease (alpha-LP) and its closely-related homologs. Alpha-lytic protease (EC 3.4.21.12; also called alpha-lytic endopeptidase), originally isolated from the myxobacterium Lysobacter enzymogenes, belongs to the MEROPS peptidase family S1, subfamily S1E (streptogrisin A subfamily). It is synthesized as a pro-enzyme, thus having two domains; the N-terminal pro-domain acts as a foldase, required transiently for the correct folding of the protease domain, and also acts as a potent inhibitor of the mature enzyme, while the C-terminal domain catalyzes the cleavage of peptide bonds. Members of the alpha-lytic protease subfamily include Nocardiopsis alba protease (NAPase), a secreted chymotrypsin from the alkaliphile Cellulomonas bogoriensis, streptogrisins (SPG-A, SPG-B, SPG-C, and SPG-D), and Thermobifida fusca protease A (TFPA). These serine proteases have characteristic kinetic stability, exhibited by their extremely slow unfolding kinetics. The active site, characteristic of serine proteases, contains the catalytic triad consisting of serine acting as a nucleophile, aspartate as an electrophile, and histidine as a base, all required for activity. This model represents the C-terminal catalytic domain of alpha-lytic proteases.


Pssm-ID: 411050  Cd Length: 188  Bit Score: 39.21  E-value: 3.62e-03
                          10        20        30
                  ....*....|....*....|....*....|
gi 1774881334  11 FATTLCnSEPGHSGTPIFNGITIVGVHAGG 40
Cdd:cd21112   136 TRTNAC-AEPGDSGGPVFSGTQALGITSGG 164
 
Blast search parameters
Data Source: Precalculated data, version = cdd.v.3.21
Preset Options:Database: CDSEARCH/cdd   Low complexity filter: no  Composition Based Adjustment: yes   E-value threshold: 0.01

References:

  • Wang J et al. (2023), "The conserved domain database in 2023", Nucleic Acids Res.51(D)384-8.
  • Lu S et al. (2020), "The conserved domain database in 2020", Nucleic Acids Res.48(D)265-8.
  • Marchler-Bauer A et al. (2017), "CDD/SPARCLE: functional classification of proteins via subfamily domain architectures.", Nucleic Acids Res.45(D)200-3.
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