MRSBs reduce L-methyl-(R)-S-oxide to L-methionine [GO_0033743]

Catalysis of the reaction: peptide-L-methionine + H2O + thioredoxin disulfide = peptide-L-methionine (R)-S-oxide + thioredoxin. Can act on oxidized methionine in peptide linkage with specificity for the R enantiomer. Thioredoxin disulfide is the oxidized form of thioredoxin.
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Open MRSBs reduce L-methyl-(R)-S-oxide to L-methionine in VFB

VFB Term Json

{
    "term": {
        "core": {
            "iri": "http://purl.obolibrary.org/obo/GO_0033743",
            "symbol": "",
            "types": [
                "Entity",
                "Class"
            ],
            "short_form": "GO_0033743",
            "label": "MRSBs reduce L-methyl-(R)-S-oxide to L-methionine"
        },
        "description": [
            "Catalysis of the reaction: peptide-L-methionine + H2O + thioredoxin disulfide = peptide-L-methionine (R)-S-oxide + thioredoxin. Can act on oxidized methionine in peptide linkage with specificity for the R enantiomer. Thioredoxin disulfide is the oxidized form of thioredoxin."
        ],
        "comment": []
    },
    "query": "Get JSON for Class",
    "version": "44725ae",
    "parents": [
        {
            "symbol": "",
            "iri": "http://purl.obolibrary.org/obo/GO_0016671",
            "types": [
                "Entity",
                "Class"
            ],
            "short_form": "GO_0016671",
            "label": "oxidoreductase activity, acting on a sulfur group of donors, disulfide as acceptor"
        }
    ],
    "relationships": [],
    "xrefs": [],
    "anatomy_channel_image": [],
    "pub_syn": [
        {
            "synonym": {
                "scope": "has_exact_synonym",
                "label": "protein-methionine-R-oxide reductase activity",
                "type": ""
            },
            "pub": {
                "core": {
                    "symbol": "",
                    "iri": "http://flybase.org/reports/Unattributed",
                    "types": [
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                        "Individual",
                        "pub"
                    ],
                    "short_form": "Unattributed",
                    "label": ""
                },
                "FlyBase": "",
                "PubMed": "",
                "DOI": ""
            }
        },
        {
            "synonym": {
                "scope": "has_narrow_synonym",
                "label": "methionine sulfoxide reductase B activity",
                "type": ""
            },
            "pub": {
                "core": {
                    "symbol": "",
                    "iri": "http://flybase.org/reports/Unattributed",
                    "types": [
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                        "Individual",
                        "pub"
                    ],
                    "short_form": "Unattributed",
                    "label": ""
                },
                "FlyBase": "",
                "PubMed": "",
                "DOI": ""
            }
        }
    ],
    "def_pubs": []
}