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1KXE

SINDBIS VIRUS CAPSID (Y180S, E183G DOUBLE MUTANT), TETRAGONAL CRYSTAL FORM

Functional Information from GO Data
ChainGOidnamespacecontents
A0004252molecular_functionserine-type endopeptidase activity
A0006508biological_processproteolysis
Functional Information from PDB Data
site_idTRI
Number of Residues3
DetailsSINDBIS CAPSID PROTEIN HAS THE CATALYTIC TRIAD OF THE SERINE PROTEINASE. THE RESIDUES ARE SER 215, HIS 141, AND ASP 163.
ChainResidue
ASER215
AHIS141
AASP163

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues150
DetailsDomain: {"description":"Peptidase S3","evidences":[{"source":"PROSITE-ProRule","id":"PRU01027","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues9
DetailsRegion: {"description":"Interaction with spike glycoprotein E2","evidences":[{"source":"PubMed","id":"22001018","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues14
DetailsRegion: {"description":"Dimerization of the capsid protein","evidences":[{"source":"UniProtKB","id":"P0DOK1","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues10
DetailsMotif: {"description":"Nuclear export signal","evidences":[{"source":"UniProtKB","id":"P09592","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues3
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 Residues2
DetailsSite: {"description":"Involved in dimerization of the capsid protein","evidences":[{"source":"UniProtKB","id":"Q86925","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

238582

PDB entries from 2025-07-09

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