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MTNB_LEPBP
ID   MTNB_LEPBP              Reviewed;         209 AA.
AC   B0SU49;
DT   16-DEC-2008, integrated into UniProtKB/Swiss-Prot.
DT   08-APR-2008, sequence version 1.
DT   03-AUG-2022, entry version 76.
DE   RecName: Full=Methylthioribulose-1-phosphate dehydratase {ECO:0000255|HAMAP-Rule:MF_01677};
DE            Short=MTRu-1-P dehydratase {ECO:0000255|HAMAP-Rule:MF_01677};
DE            EC=4.2.1.109 {ECO:0000255|HAMAP-Rule:MF_01677};
GN   Name=mtnB {ECO:0000255|HAMAP-Rule:MF_01677};
GN   OrderedLocusNames=LEPBI_II0200;
OS   Leptospira biflexa serovar Patoc (strain Patoc 1 / ATCC 23582 / Paris).
OC   Bacteria; Spirochaetes; Leptospirales; Leptospiraceae; Leptospira.
OX   NCBI_TaxID=456481;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Patoc 1 / ATCC 23582 / Paris;
RX   PubMed=18270594; DOI=10.1371/journal.pone.0001607;
RA   Picardeau M., Bulach D.M., Bouchier C., Zuerner R.L., Zidane N.,
RA   Wilson P.J., Creno S., Kuczek E.S., Bommezzadri S., Davis J.C., McGrath A.,
RA   Johnson M.J., Boursaux-Eude C., Seemann T., Rouy Z., Coppel R.L.,
RA   Rood J.I., Lajus A., Davies J.K., Medigue C., Adler B.;
RT   "Genome sequence of the saprophyte Leptospira biflexa provides insights
RT   into the evolution of Leptospira and the pathogenesis of leptospirosis.";
RL   PLoS ONE 3:E1607-E1607(2008).
CC   -!- FUNCTION: Catalyzes the dehydration of methylthioribulose-1-phosphate
CC       (MTRu-1-P) into 2,3-diketo-5-methylthiopentyl-1-phosphate (DK-MTP-1-P).
CC       {ECO:0000255|HAMAP-Rule:MF_01677}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=S-methyl-5-thio-D-ribulose 1-phosphate = 5-methylsulfanyl-2,3-
CC         dioxopentyl phosphate + H2O; Xref=Rhea:RHEA:15549, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:58548, ChEBI:CHEBI:58828; EC=4.2.1.109;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01677};
CC   -!- COFACTOR:
CC       Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01677};
CC       Note=Binds 1 zinc ion per subunit. {ECO:0000255|HAMAP-Rule:MF_01677};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-methionine biosynthesis via salvage
CC       pathway; L-methionine from S-methyl-5-thio-alpha-D-ribose 1-phosphate:
CC       step 2/6. {ECO:0000255|HAMAP-Rule:MF_01677}.
CC   -!- SIMILARITY: Belongs to the aldolase class II family. MtnB subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_01677}.
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DR   EMBL; CP000787; ABZ99733.1; -; Genomic_DNA.
DR   RefSeq; WP_012476670.1; NC_010843.1.
DR   AlphaFoldDB; B0SU49; -.
DR   SMR; B0SU49; -.
DR   STRING; 456481.LEPBI_II0200; -.
DR   KEGG; lbi:LEPBI_II0200; -.
DR   HOGENOM; CLU_006033_4_1_12; -.
DR   OMA; IRGHGLY; -.
DR   OrthoDB; 599627at2; -.
DR   BioCyc; LBIF456481:LEPBI_RS18045-MON; -.
DR   UniPathway; UPA00904; UER00875.
DR   Proteomes; UP000001847; Chromosome II.
DR   GO; GO:0005737; C:cytoplasm; IEA:InterPro.
DR   GO; GO:0046570; F:methylthioribulose 1-phosphate dehydratase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0019509; P:L-methionine salvage from methylthioadenosine; IEA:UniProtKB-UniPathway.
DR   GO; GO:0019284; P:L-methionine salvage from S-adenosylmethionine; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.40.225.10; -; 1.
DR   HAMAP; MF_01677; Salvage_MtnB; 1.
DR   InterPro; IPR001303; Aldolase_II/adducin_N.
DR   InterPro; IPR036409; Aldolase_II/adducin_N_sf.
DR   InterPro; IPR017714; MethylthioRu-1-P_deHdtase_MtnB.
DR   PANTHER; PTHR10640; PTHR10640; 1.
DR   Pfam; PF00596; Aldolase_II; 1.
DR   SMART; SM01007; Aldolase_II; 1.
DR   SUPFAM; SSF53639; SSF53639; 1.
DR   TIGRFAMs; TIGR03328; salvage_mtnB; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Lyase; Metal-binding; Methionine biosynthesis;
KW   Reference proteome; Zinc.
FT   CHAIN           1..209
FT                   /note="Methylthioribulose-1-phosphate dehydratase"
FT                   /id="PRO_0000357087"
FT   BINDING         99
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01677"
FT   BINDING         101
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01677"
SQ   SEQUENCE   209 AA;  23373 MW;  FF2C11AC2BFA0A1E CRC64;
     MDLITSLQEI TKLSHLYYER QWMYATAGNL STRDGSSRDQ FWITASGKHK GELKDTDFVC
     VSVADGTLLK ASDGLKPSAE TSIHQVLYSQ MPDIGCCLHV HTIDSNLLEF GVGKEEGSRE
     IPIPPIEIIK AFGIWDEKPN LTMPVFYNHT HVPTIADEIK RYFISVGIPK VPFLLIEGHG
     PTVWGKSIAE ANKHLEAVHF LLQVMARKV
 
 
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