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3M9K

Crystal structure of human thioredoxin C69/73S double-mutant, oxidized form

Functional Information from GO Data
ChainGOidnamespacecontents
A0003723molecular_functionRNA binding
A0004791molecular_functionthioredoxin-disulfide reductase (NADPH) activity
A0005515molecular_functionprotein binding
A0005576cellular_componentextracellular region
A0005634cellular_componentnucleus
A0005654cellular_componentnucleoplasm
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0006351biological_processDNA-templated transcription
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
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
B0003723molecular_functionRNA binding
B0004791molecular_functionthioredoxin-disulfide reductase (NADPH) activity
B0005515molecular_functionprotein binding
B0005576cellular_componentextracellular region
B0005634cellular_componentnucleus
B0005654cellular_componentnucleoplasm
B0005737cellular_componentcytoplasm
B0005829cellular_componentcytosol
B0006351biological_processDNA-templated transcription
B0009314biological_processresponse to radiation
B0015035molecular_functionprotein-disulfide reductase activity
B0019725biological_processcellular homeostasis
B0042803molecular_functionprotein homodimerization activity
B0043388biological_processpositive regulation of DNA binding
B0045454biological_processcell redox homeostasis
B0047134molecular_functionprotein-disulfide reductase [NAD(P)H] activity
B0051897biological_processpositive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction
B0055114biological_processobsolete oxidation-reduction process
B0061692biological_processcellular detoxification of hydrogen peroxide
B0070062cellular_componentextracellular exosome
B0071731biological_processresponse to nitric oxide
Functional Information from PDB Data
site_idAC1
Number of Residues7
DetailsBINDING SITE FOR RESIDUE SO4 A 106
ChainResidue
AASP61
AGLN63
AASP64
AHOH150
AHOH185
BASP61
BCYS62

site_idAC2
Number of Residues8
DetailsBINDING SITE FOR RESIDUE D1D B 106
ChainResidue
BMET74
BTHR76
BGLN78
BHOH136
BHOH158
BHOH185
BPHE27
BGLU70

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 B 107
ChainResidue
ATHR9
BLYS3
BGLU6
BSER7
BALA10
BHOH113

site_idAC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 B 108
ChainResidue
BPHE89
BSER90
BHOH180

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 B 109
ChainResidue
BALA92
BASN93
BLYS94
BGLU95

Functional Information from PROSITE/UniProt
site_idPS00194
Number of Residues19
DetailsTHIOREDOXIN_1 Thioredoxin family active site. VVdFSatWCGPCKmIkpfF
ChainResidueDetails
AVAL24-PHE42

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues206
DetailsDomain: {"description":"Thioredoxin","evidences":[{"source":"PROSITE-ProRule","id":"PRU00691","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsActive site: {"description":"Nucleophile","evidences":[{"source":"PubMed","id":"9108029","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsSite: {"description":"Deprotonates C-terminal active site Cys","evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsSite: {"description":"Contributes to redox potential value","evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"19608861","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsModified residue: {"description":"N6-succinyllysine","evidences":[{"source":"UniProtKB","id":"P10639","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues4
DetailsModified residue: {"description":"S-nitrosocysteine","evidences":[{"source":"PubMed","id":"17260951","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues2
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 Residues2
DetailsModified residue: {"description":"N6-succinyllysine; alternate","evidences":[{"source":"UniProtKB","id":"P10639","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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