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4DSS

Crystal structure of peroxiredoxin Ahp1 from Saccharomyces cerevisiae in complex with thioredoxin Trx2

Functional Information from GO Data
ChainGOidnamespacecontents
A0004601molecular_functionperoxidase activity
A0005515molecular_functionprotein binding
A0005737cellular_componentcytoplasm
A0005739cellular_componentmitochondrion
A0005777cellular_componentperoxisome
A0005829cellular_componentcytosol
A0005886cellular_componentplasma membrane
A0008379molecular_functionthioredoxin peroxidase activity
A0010038biological_processresponse to metal ion
A0016209molecular_functionantioxidant activity
A0016491molecular_functionoxidoreductase activity
A0034599biological_processcellular response to oxidative stress
A0042744biological_processhydrogen peroxide catabolic process
A0045454biological_processcell redox homeostasis
A0050821biological_processprotein stabilization
A0098869biological_processcellular oxidant detoxification
A0140824molecular_functionthioredoxin-dependent peroxiredoxin activity
B0000011biological_processvacuole inheritance
B0000103biological_processsulfate assimilation
B0000139cellular_componentGolgi membrane
B0000324cellular_componentfungal-type vacuole
B0005515molecular_functionprotein binding
B0005634cellular_componentnucleus
B0005737cellular_componentcytoplasm
B0005829cellular_componentcytosol
B0006749biological_processglutathione metabolic process
B0006888biological_processendoplasmic reticulum to Golgi vesicle-mediated transport
B0006890biological_processretrograde vesicle-mediated transport, Golgi to endoplasmic reticulum
B0009263biological_processdeoxyribonucleotide biosynthetic process
B0015031biological_processprotein transport
B0015035molecular_functionprotein-disulfide reductase activity
B0015036molecular_functiondisulfide oxidoreductase activity
B0042144biological_processvacuole fusion, non-autophagic
B0045454biological_processcell redox homeostasis
B0120124cellular_componentmembrane fusion priming complex
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues269
DetailsDomain: {"description":"Thioredoxin","evidences":[{"source":"PROSITE-ProRule","id":"PRU00691","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"description":"Cysteine sulfenic acid (-SOH) intermediate","evidences":[{"source":"PubMed","id":"22474296","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"19779198","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"18407956","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsModified residue: {"description":"Cysteine persulfide","evidences":[{"source":"PubMed","id":"36102610","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in URM1)","evidences":[{"source":"PubMed","id":"32004955","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"36102610","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21209336","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in URM1); alternate","evidences":[{"source":"PubMed","id":"32004955","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"36102610","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues2
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in URM1); alternate","evidences":[{"source":"PubMed","id":"36102610","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues3
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in URM1)","evidences":[{"source":"PubMed","id":"36102610","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues4
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"PubMed","id":"22106047","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues2
DetailsActive site: {"description":"Nucleophile"}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues1
DetailsSite: {"description":"Deprotonates C-terminal active site Cys"}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues2
DetailsSite: {"description":"Contributes to redox potential value"}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"18407956","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"19779198","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

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PDB entries from 2025-10-08

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