Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

1X5C

The solution structure of the second thioredoxin-like domain of human Protein disulfide-isomerase

Functional Information from GO Data
ChainGOidnamespacecontents
A0003756molecular_functionprotein disulfide isomerase activity
Functional Information from PROSITE/UniProt
site_idPS00194
Number of Residues19
DetailsTHIOREDOXIN_1 Thioredoxin family active site. FVeFYapWCGHCKqLapiW
ChainResidueDetails
APHE29-TRP47

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Nucleophile","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsSite: {"description":"Contributes to redox potential value","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsSite: {"description":"Lowers pKa of C-terminal Cys of second active site","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"32149426","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 1mek
ChainResidueDetails
AGLY38
ACYS40
AHIS39
ACYS37

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1mek
ChainResidueDetails
ACYS40
ACYS37

site_idMCSA1
Number of Residues
DetailsM-CSA 191
ChainResidueDetails

239803

PDB entries from 2025-08-06

PDB statisticsPDBj update infoContact PDBjnumon