ID M4S1X2_9SPHN Unreviewed; 136 AA.
AC M4S1X2;
DT 29-MAY-2013, integrated into UniProtKB/TrEMBL.
DT 29-MAY-2013, sequence version 1.
DT 27-MAR-2024, entry version 46.
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=G432_10290 {ECO:0000313|EMBL:AGH49781.1};
OS Sphingomonas sp. MM-1.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Sphingomonadales;
OC Sphingomonadaceae; Sphingomonas.
OX NCBI_TaxID=745310 {ECO:0000313|EMBL:AGH49781.1, ECO:0000313|Proteomes:UP000011816};
RN [1] {ECO:0000313|EMBL:AGH49781.1, ECO:0000313|Proteomes:UP000011816}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MM-1 {ECO:0000313|EMBL:AGH49781.1};
RX PubMed=23682148;
RA Tabata M., Ohtsubo Y., Ohhata S., Tsuda M., Nagata Y.;
RT "Complete Genome Sequence of the gamma-Hexachlorocyclohexane-Degrading
RT Bacterium Sphingomonas sp. Strain MM-1.";
RL Genome Announc. 1:E00247-13(2013).
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}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; CP004036; AGH49781.1; -; Genomic_DNA.
DR RefSeq; WP_015458778.1; NC_020561.1.
DR AlphaFoldDB; M4S1X2; -.
DR STRING; 745310.G432_10290; -.
DR KEGG; sphm:G432_10290; -.
DR PATRIC; fig|745310.14.peg.2143; -.
DR eggNOG; COG0229; Bacteria.
DR HOGENOM; CLU_031040_8_5_5; -.
DR Proteomes; UP000011816; 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:UP000011816};
KW Zinc {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 136 AA; 15046 MW; 6F29CF9C49FD4B8E CRC64;
MERLDLSEQE WRKRLTPQQY HVLREAGTER AFTGLLTDNK APGTYRCAGC GAVLFDSDAK
FDSGSGWPSF THPFNPDAVT EHADDSHGMR RVEVRCARCD GHLGHLFPDG PGPDGLRFCI
NSVSLDFRGR SRGHGG
//