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3MAO

Crystal Structure of Human Methionine-R-Sulfoxide Reductase B1 (MsrB1)

Functional Information from GO Data
ChainGOidnamespacecontents
A0033743molecular_functionpeptide-methionine (R)-S-oxide reductase activity
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE FE A 1
ChainResidue
ACYS23
ACYS26
ACYS71
ACYS74

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE NA A 2
ChainResidue
AHOH187
AHOH8
AGLU60
AARG63
AALA66
AHOH159

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE NA A 3
ChainResidue
ASER-1
AGLU48
ATHR49
AHOH205
AHOH225
AHOH244

site_idAC4
Number of Residues13
DetailsBINDING SITE FOR RESIDUE MLI A 4
ChainResidue
ASER41
ATRP43
AARG63
APHE82
AARG93
ASER95
ALYS106
AGLY107
ALYS108
AGLU109
AHOH115
AHOH127
AHOH248

site_idAC5
Number of Residues9
DetailsBINDING SITE FOR RESIDUE MLI A 5
ChainResidue
AVAL20
ASER32
AARG34
ATRP43
APHE97
ASER98
AHOH156
AHOH167
AHOH184

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Nucleophile","evidences":[{"source":"PROSITE-ProRule","id":"PRU01126","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU01126","evidenceCode":"ECO:0000255"},{"source":"Reference","evidenceCode":"ECO:0000269","citation":{"citationType":"submission","publicationDate":"APR-2010","submissionDatabase":"PDB data bank","title":"Crystal structure of human methionine-r-sulfoxide reductase b1 (msrb1).","authoringGroup":["Structural genomics consortium (SGC)"]}}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsNon-standard residue: {"description":"Selenocysteine","evidences":[{"source":"PubMed","id":"10608886","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

250359

PDB entries from 2026-03-11

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