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3KD0

Human thioredoxin C35S,C62S,C69S,C73S mutant showing cadmium chloride bound to the active site

Functional Information from GO Data
ChainGOidnamespacecontents
A0000122biological_processnegative regulation of transcription by RNA polymerase II
A0003723molecular_functionRNA binding
A0004791molecular_functionthioredoxin-disulfide reductase (NADPH) activity
A0005515molecular_functionprotein binding
A0005576cellular_componentextracellular region
A0005634cellular_componentnucleus
A0005654cellular_componentnucleoplasm
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0009314biological_processresponse to radiation
A0015035molecular_functionprotein-disulfide reductase activity
A0019725biological_processcellular homeostasis
A0042803molecular_functionprotein homodimerization activity
A0043388biological_processpositive regulation of DNA binding
A0045454biological_processcell redox homeostasis
A0046826biological_processnegative regulation of protein export from nucleus
A0047134molecular_functionprotein-disulfide reductase [NAD(P)H] activity
A0051897biological_processpositive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction
A0055114biological_processobsolete oxidation-reduction process
A0061692biological_processcellular detoxification of hydrogen peroxide
A0070062cellular_componentextracellular exosome
A0071731biological_processresponse to nitric oxide
Functional Information from PDB Data
site_idAC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CL A 106
ChainResidue
AMET74
AASN93
ACD108

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CL A 107
ChainResidue
AMET74
ALYS96
ACD108

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CD A 108
ChainResidue
ACL107
ACL109
ACYS32
AMET74
ACL106

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CL A 109
ChainResidue
AASN93
ALYS96
ACD108
AHOH152

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CL A 110
ChainResidue
AGLU95
AGLU95
AHOH139
AHOH139

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues103
DetailsDomain: {"description":"Thioredoxin","evidences":[{"source":"PROSITE-ProRule","id":"PRU00691","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsActive site: {"description":"Nucleophile","evidences":[{"source":"PubMed","id":"9108029","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsSite: {"description":"Deprotonates C-terminal active site Cys","evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsSite: {"description":"Contributes to redox potential value","evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"19608861","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsModified residue: {"description":"N6-succinyllysine","evidences":[{"source":"UniProtKB","id":"P10639","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsModified residue: {"description":"S-nitrosocysteine","evidences":[{"source":"PubMed","id":"17260951","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues1
DetailsModified residue: {"description":"S-nitrosocysteine; alternate","evidences":[{"source":"PubMed","id":"16408020","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"17606900","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues1
DetailsModified residue: {"description":"N6-succinyllysine; alternate","evidences":[{"source":"UniProtKB","id":"P10639","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

239492

PDB entries from 2025-07-30

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