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5H5Q

Crystal structure of human GPX4 in complex with GXpep-1

Functional Information from GO Data
ChainGOidnamespacecontents
A0004601molecular_functionperoxidase activity
A0006979biological_processresponse to oxidative stress
Functional Information from PDB Data
site_idAC1
Number of Residues7
Detailsbinding site for residue GOL A 201
ChainResidue
ALYS58
APHE62
AARG96
AGLN104
AASN136
AHOH309
AHOH316

site_idAC2
Number of Residues7
Detailsbinding site for residue GOL A 202
ChainResidue
AHOH308
AHOH318
AHOH321
BACE900
BCYS901
ASER40
AGLU43

Functional Information from PROSITE/UniProt
site_idPS00460
Number of Residues16
DetailsGLUTATHIONE_PEROXID_1 Glutathione peroxidases active site. GFvSIVtNVaSqCGkT
ChainResidueDetails
AGLY61-THR76

site_idPS00763
Number of Residues8
DetailsGLUTATHIONE_PEROXID_2 Glutathione peroxidases signature 2. LAFPSNQF
ChainResidueDetails
ALEU98-PHE105

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsMotif: {"description":"KFERQ motif 1","evidences":[{"source":"UniProtKB","id":"O70325","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsMotif: {"description":"KFERQ motif 2","evidences":[{"source":"UniProtKB","id":"O70325","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsActive site: {"evidences":[{"source":"UniProtKB","id":"O70325","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsNon-standard residue: {"description":"Selenocysteine","evidences":[{"source":"PubMed","id":"8039723","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"9705830","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P36970","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsModified residue: {"description":"4-hydroxyproline","evidences":[{"source":"PubMed","id":"40281343","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

249524

PDB entries from 2026-02-18

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