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4EF0

Crystal Structure of the first catalytic domain of protein disulfide isomerase P5

Functional Information from GO Data
ChainGOidnamespacecontents
A0003756molecular_functionprotein disulfide isomerase activity
B0003756molecular_functionprotein disulfide isomerase activity
Functional Information from PROSITE/UniProt
site_idPS00194
Number of Residues19
DetailsTHIOREDOXIN_1 Thioredoxin family active site. LVeFYapWCGHCQrLtpeW
ChainResidueDetails
ALEU47-TRP65

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsACT_SITE: Nucleophile => ECO:0000250
ChainResidueDetails
ACYS55
ACYS58
BCYS55
BCYS58

site_idSWS_FT_FI2
Number of Residues4
DetailsSITE: Contributes to redox potential value => ECO:0000250
ChainResidueDetails
AGLY56
AHIS57
BGLY56
BHIS57

site_idSWS_FT_FI3
Number of Residues2
DetailsSITE: Lowers pKa of C-terminal Cys of first active site => ECO:0000250
ChainResidueDetails
AARG118
BARG118

site_idSWS_FT_FI4
Number of Residues2
DetailsMOD_RES: Phosphoserine => ECO:0007744|PubMed:24275569
ChainResidueDetails
ASER129
BSER129

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PDB entries from 2024-05-01

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