MSRB_XYLFT
ID MSRB_XYLFT Reviewed; 155 AA.
AC Q87AJ9;
DT 16-JUN-2003, integrated into UniProtKB/Swiss-Prot.
DT 16-JUN-2003, sequence version 1.
DT 03-AUG-2022, entry version 108.
DE RecName: Full=Peptide methionine sulfoxide reductase MsrB;
DE EC=1.8.4.12;
DE AltName: Full=Peptide-methionine (R)-S-oxide reductase;
GN Name=msrB; OrderedLocusNames=PD_1825;
OS Xylella fastidiosa (strain Temecula1 / ATCC 700964).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Xanthomonadales;
OC Xanthomonadaceae; Xylella.
OX NCBI_TaxID=183190;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Temecula1 / ATCC 700964;
RX PubMed=12533478; DOI=10.1128/jb.185.3.1018-1026.2003;
RA Van Sluys M.A., de Oliveira M.C., Monteiro-Vitorello C.B., Miyaki C.Y.,
RA Furlan L.R., Camargo L.E.A., da Silva A.C.R., Moon D.H., Takita M.A.,
RA Lemos E.G.M., Machado M.A., Ferro M.I.T., da Silva F.R., Goldman M.H.S.,
RA Goldman G.H., Lemos M.V.F., El-Dorry H., Tsai S.M., Carrer H.,
RA Carraro D.M., de Oliveira R.C., Nunes L.R., Siqueira W.J., Coutinho L.L.,
RA Kimura E.T., Ferro E.S., Harakava R., Kuramae E.E., Marino C.L.,
RA Giglioti E., Abreu I.L., Alves L.M.C., do Amaral A.M., Baia G.S.,
RA Blanco S.R., Brito M.S., Cannavan F.S., Celestino A.V., da Cunha A.F.,
RA Fenille R.C., Ferro J.A., Formighieri E.F., Kishi L.T., Leoni S.G.,
RA Oliveira A.R., Rosa V.E. Jr., Sassaki F.T., Sena J.A.D., de Souza A.A.,
RA Truffi D., Tsukumo F., Yanai G.M., Zaros L.G., Civerolo E.L.,
RA Simpson A.J.G., Almeida N.F. Jr., Setubal J.C., Kitajima J.P.;
RT "Comparative analyses of the complete genome sequences of Pierce's disease
RT and citrus variegated chlorosis strains of Xylella fastidiosa.";
RL J. Bacteriol. 185:1018-1026(2003).
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 -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105; Evidence={ECO:0000250};
CC Note=Binds 1 zinc ion per subunit. The zinc ion is important for the
CC structural integrity of the protein. {ECO:0000250};
CC -!- SIMILARITY: Belongs to the MsrB Met sulfoxide reductase family.
CC {ECO:0000305}.
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DR EMBL; AE009442; AAO29658.1; -; Genomic_DNA.
DR RefSeq; WP_004088178.1; NC_004556.1.
DR AlphaFoldDB; Q87AJ9; -.
DR SMR; Q87AJ9; -.
DR EnsemblBacteria; AAO29658; AAO29658; PD_1825.
DR GeneID; 58017345; -.
DR KEGG; xft:PD_1825; -.
DR HOGENOM; CLU_031040_8_5_6; -.
DR OMA; DEQWRAE; -.
DR Proteomes; UP000002516; 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 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 PANTHER; PTHR10173; PTHR10173; 1.
DR Pfam; PF01641; SelR; 1.
DR SUPFAM; SSF51316; SSF51316; 1.
DR TIGRFAMs; TIGR00357; TIGR00357; 1.
DR PROSITE; PS51790; MSRB; 1.
PE 3: Inferred from homology;
KW Metal-binding; Oxidoreductase; Zinc.
FT CHAIN 1..155
FT /note="Peptide methionine sulfoxide reductase MsrB"
FT /id="PRO_0000140317"
FT DOMAIN 15..137
FT /note="MsrB"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01126"
FT ACT_SITE 126
FT /note="Nucleophile"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01126"
FT BINDING 54
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01126"
FT BINDING 57
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01126"
FT BINDING 103
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01126"
FT BINDING 106
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01126"
SQ SEQUENCE 155 AA; 17568 MW; B85F3E995B798DCC CRC64;
MNVTFDLTPP SPSQREALIA TLNAEERRIL LQHGTEAPFC NRLLDNNQLG TYTCRLCGLP
LFHSNAKFKS GTGWPSFFEP YTHTHIRKQH DTSHGMIRTE ILCARCNSHL GHLFPDGPPP
TYERYCLNSV SLTFIPTGTL LPDQLHRGDN TTYRT
