ID A0A2G8RJU6_9RHOB Unreviewed; 149 AA.
AC A0A2G8RJU6;
DT 31-JAN-2018, integrated into UniProtKB/TrEMBL.
DT 31-JAN-2018, sequence version 1.
DT 27-MAR-2024, entry version 20.
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=P775_02445 {ECO:0000313|EMBL:PIL21854.1};
OS Puniceibacterium antarcticum.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodobacterales;
OC Paracoccaceae; Puniceibacterium.
OX NCBI_TaxID=1206336 {ECO:0000313|EMBL:PIL21854.1, ECO:0000313|Proteomes:UP000231259};
RN [1] {ECO:0000313|EMBL:PIL21854.1, ECO:0000313|Proteomes:UP000231259}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SM1211 {ECO:0000313|EMBL:PIL21854.1,
RC ECO:0000313|Proteomes:UP000231259};
RA Zhang X.-Y., Liu C., Chen X.-L., Xie B.-B., Qin Q.-L., Rong J.-C.,
RA Zhang Y.-Z.;
RT "Genome sequencing of Phaeobacter antarcticus sp. nov. SM1211.";
RL Submitted (SEP-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:PIL21854.1}.
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DR EMBL; AWWI01000021; PIL21854.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2G8RJU6; -.
DR OrthoDB; 9785497at2; -.
DR Proteomes; UP000231259; 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:UP000231259}.
FT DOMAIN 7..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"
SQ SEQUENCE 149 AA; 16511 MW; 895566353520B180 CRC64;
MTRYTKDPDV IATLTPEQYR VTQQSGTERP GTGAYLDNKE TGIYVDIVSG EPLFASSDKF
ESGCGWPSFT KPIEPAYVNE LRDMTHGMLR TEVRSTHGDS HLGHVFPDGP KDRGGLRYCI
NGASLRFIAR ADMEAEGYGD YINQVEDVA
//
