ID A0A2Z5YUY5_9SPHN Unreviewed; 133 AA.
AC A0A2Z5YUY5;
DT 10-OCT-2018, integrated into UniProtKB/TrEMBL.
DT 10-OCT-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=AEB_P1058 {ECO:0000313|EMBL:BBC71926.1};
OS Altererythrobacter sp. B11.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Sphingomonadales;
OC Erythrobacteraceae; Altererythrobacter.
OX NCBI_TaxID=2060312 {ECO:0000313|EMBL:BBC71926.1, ECO:0000313|Proteomes:UP000263119};
RN [1] {ECO:0000313|EMBL:BBC71926.1, ECO:0000313|Proteomes:UP000263119}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=B11 {ECO:0000313|EMBL:BBC71926.1,
RC ECO:0000313|Proteomes:UP000263119};
RA Maeda A.H., Nishi S., Ishii S., Shimane Y., Kobayashi H., Ichikawa J.,
RA Kurosawa K., Arai W., Takami H., Ohta Y.;
RT "Complete Genome Sequence of Altererythrobacter sp. Strain B11, an Aromatic
RT Monomer-Degrading Bacterium, Isolated from Deep-Sea Sediment under the
RT Seabed off Kashima, Japan.";
RL Genome Announc. 6:e00200-18(2018).
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; AP018498; BBC71926.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2Z5YUY5; -.
DR KEGG; alb:AEB_P1058; -.
DR OrthoDB; 9785497at2; -.
DR Proteomes; UP000263119; 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:UP000263119};
KW Zinc {ECO:0000256|HAMAP-Rule:MF_01400}.
FT DOMAIN 9..131
FT /note="MsrB"
FT /evidence="ECO:0000259|PROSITE:PS51790"
FT REGION 67..87
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT ACT_SITE 120
FT /note="Nucleophile"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01400"
FT BINDING 48
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01400"
FT BINDING 51
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01400"
FT BINDING 97
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01400"
FT BINDING 100
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01400"
SQ SEQUENCE 133 AA; 14755 MW; 4C029B16483F5F79 CRC64;
MADKIEMSEQ EWRERLTPEQ YHVLREAGTE RAFTGKYEKN KAAGEYVCAA CGLPLFESDA
KYDSGSGWPS FTRPADGDAV EERTDSSHGM VRTEVMCARC SGHLGHVFPD GPGPEGMRYC
INSAALDFKP EDK
//
