ID A4Z0B0_BRASO Unreviewed; 136 AA.
AC A4Z0B0;
DT 29-MAY-2007, integrated into UniProtKB/TrEMBL.
DT 29-MAY-2007, sequence version 1.
DT 27-MAR-2024, entry version 98.
DE RecName: Full=Peptide methionine sulfoxide reductase MsrB {ECO:0000256|HAMAP-Rule:MF_01400};
DE EC=1.8.4.12 {ECO:0000256|HAMAP-Rule:MF_01400};
DE AltName: Full=Peptide-methionine (R)-S-oxide reductase {ECO:0000256|HAMAP-Rule:MF_01400};
GN Name=msrB {ECO:0000256|HAMAP-Rule:MF_01400,
GN ECO:0000313|EMBL:CAL79586.1};
GN OrderedLocusNames=BRADO5926 {ECO:0000313|EMBL:CAL79586.1};
OS Bradyrhizobium sp. (strain ORS 278).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC Nitrobacteraceae; Bradyrhizobium.
OX NCBI_TaxID=114615 {ECO:0000313|EMBL:CAL79586.1, ECO:0000313|Proteomes:UP000001994};
RN [1] {ECO:0000313|EMBL:CAL79586.1, ECO:0000313|Proteomes:UP000001994}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ORS 278 {ECO:0000313|Proteomes:UP000001994};
RX PubMed=17540897; DOI=10.1126/science.1139548;
RA Giraud E., Moulin L., Vallenet D., Barbe V., Cytryn E., Avarre J.C.,
RA Jaubert M., Simon D., Cartieaux F., Prin Y., Bena G., Hannibal L.,
RA Fardoux J., Kojadinovic M., Vuillet L., Lajus A., Cruveiller S., Rouy Z.,
RA Mangenot S., Segurens B., Dossat C., Franck W.L., Chang W.S., Saunders E.,
RA Bruce D., Richardson P., Normand P., Dreyfus B., Pignol D., Stacey G.,
RA Emerich D., Vermeglio A., Medigue C., Sadowsky M.;
RT "Legumes symbioses: absence of nod genes in photosynthetic bradyrhizobia.";
RL Science 316:1307-1312(2007).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=[thioredoxin]-disulfide + H2O + L-methionyl-[protein] =
CC [thioredoxin]-dithiol + L-methionyl-(R)-S-oxide-[protein];
CC Xref=Rhea:RHEA:24164, Rhea:RHEA-COMP:10698, Rhea:RHEA-COMP:10700,
CC Rhea:RHEA-COMP:12313, Rhea:RHEA-COMP:12314, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:16044, ChEBI:CHEBI:29950, ChEBI:CHEBI:45764,
CC ChEBI:CHEBI:50058; EC=1.8.4.12;
CC Evidence={ECO:0000256|ARBA:ARBA00001795, ECO:0000256|HAMAP-
CC Rule:MF_01400};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01400};
CC Note=Binds 1 zinc ion per subunit. The zinc ion is important for the
CC structural integrity of the protein. {ECO:0000256|HAMAP-Rule:MF_01400};
CC -!- SIMILARITY: Belongs to the MsrB Met sulfoxide reductase family.
CC {ECO:0000256|HAMAP-Rule:MF_01400}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; CU234118; CAL79586.1; -; Genomic_DNA.
DR RefSeq; WP_012029485.1; NC_009445.1.
DR AlphaFoldDB; A4Z0B0; -.
DR STRING; 114615.BRADO5926; -.
DR KEGG; bra:BRADO5926; -.
DR eggNOG; COG0229; Bacteria.
DR HOGENOM; CLU_031040_8_5_5; -.
DR OrthoDB; 9785497at2; -.
DR Proteomes; UP000001994; Chromosome.
DR GO; GO:0033743; F:peptide-methionine (R)-S-oxide reductase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0030091; P:protein repair; IEA:InterPro.
DR GO; GO:0006979; P:response to oxidative stress; IEA:InterPro.
DR Gene3D; 2.170.150.20; Peptide methionine sulfoxide reductase; 1.
DR HAMAP; MF_01400; MsrB; 1.
DR InterPro; IPR028427; Met_Sox_Rdtase_MsrB.
DR InterPro; IPR002579; Met_Sox_Rdtase_MsrB_dom.
DR InterPro; IPR011057; Mss4-like_sf.
DR NCBIfam; TIGR00357; peptide-methionine (R)-S-oxide reductase MsrB; 1.
DR PANTHER; PTHR10173; METHIONINE SULFOXIDE REDUCTASE; 1.
DR PANTHER; PTHR10173:SF52; METHIONINE-R-SULFOXIDE REDUCTASE B3; 1.
DR Pfam; PF01641; SelR; 1.
DR SUPFAM; SSF51316; Mss4-like; 1.
DR PROSITE; PS51790; MSRB; 1.
PE 3: Inferred from homology;
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_01400};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002, ECO:0000256|HAMAP-
KW Rule:MF_01400}; Reference proteome {ECO:0000313|Proteomes:UP000001994};
KW Zinc {ECO:0000256|HAMAP-Rule:MF_01400}.
FT DOMAIN 14..136
FT /note="MsrB"
FT /evidence="ECO:0000259|PROSITE:PS51790"
FT ACT_SITE 125
FT /note="Nucleophile"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01400"
FT BINDING 53
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01400"
FT BINDING 56
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01400"
FT BINDING 102
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01400"
FT BINDING 105
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01400"
SQ SEQUENCE 136 AA; 15061 MW; DE65CEE39B1221D2 CRC64;
MSDTKTSDKV VKSEAEWRKD LTPMQYAVLR EKATERPFSG EYEHEHRAGT YVCAGCGQTL
FESDAKFDSG CGWPSFTQPA AESHIDEETD YTHGMVRTEV LCSKCSGHLG HVFPDGPGPT
GLRYCINSAA LKLKPR
//
