ID F2IV56_POLGS Unreviewed; 139 AA.
AC F2IV56;
DT 31-MAY-2011, integrated into UniProtKB/TrEMBL.
DT 31-MAY-2011, sequence version 1.
DT 27-MAR-2024, entry version 64.
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:ADZ71387.1};
GN OrderedLocusNames=SL003B_2964 {ECO:0000313|EMBL:ADZ71387.1};
OS Polymorphum gilvum (strain LMG 25793 / CGMCC 1.9160 / SL003B-26A1).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodobacterales;
OC Paracoccaceae; Polymorphum.
OX NCBI_TaxID=991905 {ECO:0000313|EMBL:ADZ71387.1, ECO:0000313|Proteomes:UP000008130};
RN [1] {ECO:0000313|EMBL:ADZ71387.1, ECO:0000313|Proteomes:UP000008130}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=LMG 25793 / CGMCC 1.9160 / SL003B-26A1
RC {ECO:0000313|Proteomes:UP000008130};
RX PubMed=21478361; DOI=10.1128/JB.00333-11;
RA Li S.G., Tang Y.Q., Nie Y., Cai M., Wu X.L.;
RT "Complete genome sequence of Polymorphum gilvum SL003B-26A1T, a crude oil-
RT degrading bacterium from oil-polluted saline soil.";
RL J. Bacteriol. 193:2894-2895(2011).
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}.
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DR EMBL; CP002568; ADZ71387.1; -; Genomic_DNA.
DR RefSeq; WP_013653700.1; NC_015259.1.
DR AlphaFoldDB; F2IV56; -.
DR STRING; 991905.SL003B_2964; -.
DR KEGG; pgv:SL003B_2964; -.
DR PATRIC; fig|991905.3.peg.3044; -.
DR eggNOG; COG0229; Bacteria.
DR HOGENOM; CLU_031040_8_5_5; -.
DR OrthoDB; 9785497at2; -.
DR Proteomes; UP000008130; 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:UP000008130};
KW Zinc {ECO:0000256|HAMAP-Rule:MF_01400}.
FT DOMAIN 12..134
FT /note="MsrB"
FT /evidence="ECO:0000259|PROSITE:PS51790"
FT ACT_SITE 123
FT /note="Nucleophile"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01400"
FT BINDING 51
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01400"
FT BINDING 54
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01400"
FT BINDING 100
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01400"
FT BINDING 103
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01400"
SQ SEQUENCE 139 AA; 15335 MW; 0E1A64E639C59A0B CRC64;
MSKPSAKVVK SDAEWRADLT PEQFYVTRRQ GTERPFSGPY WDTFRKGRYD CVCCGAALFL
SDTKFDAGCG WPSFFAAASP EAIVELDDFS HGMVRTEIRC AACDAHLGHV FPDGPPPTGL
RYCLNGTAMR FTPEEPDAG
//
