ID   MSRB_LISW6              Reviewed;         145 AA.
AC   A0AJW4;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   28-NOV-2006, sequence version 1.
DT   25-MAY-2022, entry version 94.
DE   RecName: Full=Peptide methionine sulfoxide reductase MsrB {ECO:0000255|HAMAP-Rule:MF_01400};
DE            EC=1.8.4.12 {ECO:0000255|HAMAP-Rule:MF_01400};
DE   AltName: Full=Peptide-methionine (R)-S-oxide reductase {ECO:0000255|HAMAP-Rule:MF_01400};
GN   Name=msrB {ECO:0000255|HAMAP-Rule:MF_01400}; OrderedLocusNames=lwe1878;
OS   Listeria welshimeri serovar 6b (strain ATCC 35897 / DSM 20650 / CIP 8149 /
OS   NCTC 11857 / SLCC 5334 / V8).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Listeriaceae; Listeria.
OX   NCBI_TaxID=386043;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 35897 / DSM 20650 / CIP 8149 / NCTC 11857 / SLCC 5334 / V8;
RX   PubMed=16936040; DOI=10.1128/jb.00758-06;
RA   Hain T., Steinweg C., Kuenne C.T., Billion A., Ghai R., Chatterjee S.S.,
RA   Domann E., Kaerst U., Goesmann A., Bekel T., Bartels D., Kaiser O.,
RA   Meyer F., Puehler A., Weisshaar B., Wehland J., Liang C., Dandekar T.,
RA   Lampidis R., Kreft J., Goebel W., Chakraborty T.;
RT   "Whole-genome sequence of Listeria welshimeri reveals common steps in
RT   genome reduction with Listeria innocua as compared to Listeria
RT   monocytogenes.";
RL   J. Bacteriol. 188:7405-7415(2006).
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; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01400};
CC   -!- SIMILARITY: Belongs to the MsrB Met sulfoxide reductase family.
CC       {ECO:0000255|HAMAP-Rule:MF_01400}.
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DR   EMBL; AM263198; CAK21296.1; -; Genomic_DNA.
DR   RefSeq; WP_011702645.1; NC_008555.1.
DR   AlphaFoldDB; A0AJW4; -.
DR   SMR; A0AJW4; -.
DR   STRING; 386043.lwe1878; -.
DR   EnsemblBacteria; CAK21296; CAK21296; lwe1878.
DR   GeneID; 61189779; -.
DR   KEGG; lwe:lwe1878; -.
DR   eggNOG; COG0229; Bacteria.
DR   HOGENOM; CLU_031040_8_5_9; -.
DR   OMA; DEQWRAE; -.
DR   OrthoDB; 1650261at2; -.
DR   Proteomes; UP000000779; Chromosome.
DR   GO; GO:0033743; F:peptide-methionine (R)-S-oxide reductase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0030091; P:protein repair; IEA:InterPro.
DR   GO; GO:0006979; P:response to oxidative stress; IEA:InterPro.
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   PANTHER; PTHR10173; PTHR10173; 1.
DR   Pfam; PF01641; SelR; 1.
DR   SUPFAM; SSF51316; SSF51316; 1.
DR   TIGRFAMs; TIGR00357; TIGR00357; 1.
DR   PROSITE; PS51790; MSRB; 1.
PE   3: Inferred from homology;
KW   Oxidoreductase.
FT   CHAIN           1..145
FT                   /note="Peptide methionine sulfoxide reductase MsrB"
FT                   /id="PRO_1000068277"
FT   DOMAIN          6..129
FT                   /note="MsrB"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01126"
FT   ACT_SITE        118
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01126"
SQ   SEQUENCE   145 AA;  16452 MW;  73D2C5FF56D2D505 CRC64;
     MDESKKNERL KQLTDIQYNV TQKAGTERPF QNEFYDNAAK GIYVDIVSGK PLFSSTDQYD
     AGCGWPSFTK PIDEAEVKEH KDRTHGMIRT EVKSVDADSH LGHVFPDGPQ DKGGLRYCIN
     SAALRFIPVD KLDDEGYQAY KKIFE