ID A0A0A8X7K7_9BACI Unreviewed; 145 AA.
AC A0A0A8X7K7;
DT 04-MAR-2015, integrated into UniProtKB/TrEMBL.
DT 04-MAR-2015, sequence version 1.
DT 27-MAR-2024, entry version 32.
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 ORFNames=SAMD00020551_3430 {ECO:0000313|EMBL:GAM15274.1};
OS Mesobacillus selenatarsenatis SF-1.
OC Bacteria; Bacillota; Bacilli; Bacillales; Bacillaceae; Mesobacillus.
OX NCBI_TaxID=1321606 {ECO:0000313|EMBL:GAM15274.1, ECO:0000313|Proteomes:UP000031014};
RN [1] {ECO:0000313|EMBL:GAM15274.1, ECO:0000313|Proteomes:UP000031014}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SF-1 {ECO:0000313|EMBL:GAM15274.1,
RC ECO:0000313|Proteomes:UP000031014};
RA Kuroda M., Sei K., Yamashita M., Ike M.;
RT "Whole genome shotgun sequence of Bacillus selenatarsenatis SF-1.";
RL Submitted (JUN-2013) to the EMBL/GenBank/DDBJ databases.
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 -!- SIMILARITY: Belongs to the MsrB Met sulfoxide reductase family.
CC {ECO:0000256|HAMAP-Rule:MF_01400}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_01400}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:GAM15274.1}.
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DR EMBL; BASE01000079; GAM15274.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A0A8X7K7; -.
DR STRING; 1321606.SAMD00020551_3430; -.
DR Proteomes; UP000031014; Unassembled WGS sequence.
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 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 Oxidoreductase {ECO:0000256|ARBA:ARBA00023002, ECO:0000256|HAMAP-
KW Rule:MF_01400}; Reference proteome {ECO:0000313|Proteomes:UP000031014}.
FT DOMAIN 6..128
FT /note="MsrB"
FT /evidence="ECO:0000259|PROSITE:PS51790"
FT ACT_SITE 117
FT /note="Nucleophile"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01400"
SQ SEQUENCE 145 AA; 16716 MW; 831E3301C3B8ACCC CRC64;
MMKKDPEELK KKLTPMQYEV TQNNGTEPPF RNEYWNDLRE GIYVDVVSGK ALFSSRDKYD
AGCGWPSFTK PIMDEEVIEK QDTSHFMVRT EVRSKTADSH LGHVFDDGPG ENGLRYCINS
AALRFVSKEK MEEEGYGEYL KLFQG
//
