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1SVP

SINDBIS VIRUS CAPSID PROTEIN

Functional Information from GO Data
ChainGOidnamespacecontents
A0004252molecular_functionserine-type endopeptidase activity
A0006508biological_processproteolysis
B0004252molecular_functionserine-type endopeptidase activity
B0006508biological_processproteolysis
Functional Information from PDB Data
site_idTRI
Number of Residues6
DetailsSINDBIS CAPSID PROTEIN HAS THE CATALYTIC TRIAD OF THE SERINE PROTEINASE. THE RESIDUES ARE SER 215, HIS 141, AND ASP 163 IN THE WILD-TYPE. IN THIS MUTANT STRUCTURE, THE ACTIVE SITE SER 215 WAS MUTATED TO ALA TO PREVENT AUTO-CATALYTIC CLEAVAGE BETWEEN TRP 264 AND SER 265.
ChainResidue
AALA215
AHIS141
AASP163
BALA215
BHIS141
BASP163

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues300
DetailsDomain: {"description":"Peptidase S3","evidences":[{"source":"PROSITE-ProRule","id":"PRU01027","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues18
DetailsRegion: {"description":"Interaction with spike glycoprotein E2","evidences":[{"source":"PubMed","id":"22001018","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues28
DetailsRegion: {"description":"Dimerization of the capsid protein","evidences":[{"source":"UniProtKB","id":"P0DOK1","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues20
DetailsMotif: {"description":"Nuclear export signal","evidences":[{"source":"UniProtKB","id":"P09592","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues6
DetailsActive site: {"description":"Charge relay system","evidences":[{"source":"PROSITE-ProRule","id":"PRU01027","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"1944569","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8450538","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues4
DetailsSite: {"description":"Involved in dimerization of the capsid protein","evidences":[{"source":"UniProtKB","id":"Q86925","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsSite: {"description":"Cleavage; by autolysis","evidences":[{"source":"UniProtKB","id":"P03315","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

246704

PDB entries from 2025-12-24

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