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3WT1

Crystal structure of the b'-a' domain of thermophilic fungal protein disulfide isomerase (reduced form)

Functional Information from GO Data
ChainGOidnamespacecontents
A0003756molecular_functionprotein disulfide isomerase activity
B0003756molecular_functionprotein disulfide isomerase activity
C0003756molecular_functionprotein disulfide isomerase activity
D0003756molecular_functionprotein disulfide isomerase activity
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE GOL A 501
ChainResidue
ATYR218
AHIS270
CSER385
CGLU386

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE GOL B 501
ChainResidue
BTYR218
DSER385
DGLU386
DALA449

site_idAC3
Number of Residues2
DetailsBINDING SITE FOR RESIDUE GOL C 501
ChainResidue
CTYR218
AGLU386

site_idAC4
Number of Residues2
DetailsBINDING SITE FOR RESIDUE GOL D 501
ChainResidue
BSER385
DTYR218

Functional Information from PROSITE/UniProt
site_idPS00194
Number of Residues19
DetailsTHIOREDOXIN_1 Thioredoxin family active site. LIeFYapWCGHCKaLapkY
ChainResidueDetails
ALEU357-TYR375

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues520
DetailsDomain: {"description":"Thioredoxin 2","evidences":[{"source":"PROSITE-ProRule","id":"PRU00691","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues8
DetailsActive site: {"description":"Nucleophile","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues8
DetailsSite: {"description":"Contributes to redox potential value","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsSite: {"description":"Lowers pKa of C-terminal Cys of second active site","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

243083

PDB entries from 2025-10-15

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