ID A0A2W5D2V2_9PSED Unreviewed; 132 AA.
AC A0A2W5D2V2; A0A1H3B9A6;
DT 12-SEP-2018, integrated into UniProtKB/TrEMBL.
DT 12-SEP-2018, sequence version 1.
DT 24-JAN-2024, entry version 25.
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:PZP26051.1};
GN ORFNames=DI599_02515 {ECO:0000313|EMBL:PZP26051.1}, SAMN05216287_2756
GN {ECO:0000313|EMBL:SDX38517.1};
OS Pseudomonas kuykendallii.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Pseudomonadales;
OC Pseudomonadaceae; Pseudomonas.
OX NCBI_TaxID=1007099 {ECO:0000313|EMBL:PZP26051.1, ECO:0000313|Proteomes:UP000249198};
RN [1] {ECO:0000313|EMBL:SDX38517.1}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NRRL B-59562 {ECO:0000313|EMBL:SDX38517.1};
RA de Groot N.N.;
RL Submitted (OCT-2016) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:PZP26051.1, ECO:0000313|Proteomes:UP000249198}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=S2_009_000_R2_77 {ECO:0000313|EMBL:PZP26051.1};
RA Brooks B., Olm M.R., Firek B.A., Baker R., Thomas B.C., Morowitz M.J.,
RA Banfield J.F.;
RT "Infants hospitalized years apart are colonized by the same room-sourced
RT microbial strains.";
RL Submitted (AUG-2017) 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 -!- 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; QFOH01000003; PZP26051.1; -; Genomic_DNA.
DR EMBL; FNNU01000004; SDX38517.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2W5D2V2; -.
DR STRING; 1007099.SAMN05216287_2756; -.
DR OrthoDB; 9785497at2; -.
DR Proteomes; UP000243778; Unassembled WGS sequence.
DR Proteomes; UP000249198; Unassembled WGS sequence.
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 B1; 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|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_01400};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002, ECO:0000256|HAMAP-
KW Rule:MF_01400}; Reference proteome {ECO:0000313|Proteomes:UP000243778};
KW Zinc {ECO:0000256|ARBA:ARBA00022833, ECO:0000256|HAMAP-Rule:MF_01400}.
FT DOMAIN 8..130
FT /note="MsrB"
FT /evidence="ECO:0000259|PROSITE:PS51790"
FT ACT_SITE 119
FT /note="Nucleophile"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01400"
FT BINDING 47
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01400"
FT BINDING 50
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01400"
FT BINDING 96
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01400"
FT BINDING 99
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01400"
SQ SEQUENCE 132 AA; 14972 MW; F98D37BD5E86A92A CRC64;
MDKLEKPLDA WREELSDEQF HICRLGGTER PFTGKYNDSK TPGLYRCACC DAALFDSETK
YDSGSGWPAY FQPVSPEAIR ELEDFSHGMH RVEVRCARCD AHLGHLFPDG PRPTGMRYCI
NSASLKLEPR DA
//