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MTNB_YERPB
ID   MTNB_YERPB              Reviewed;         222 AA.
AC   B2K630;
DT   16-DEC-2008, integrated into UniProtKB/Swiss-Prot.
DT   10-JUN-2008, sequence version 1.
DT   03-AUG-2022, entry version 70.
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}; OrderedLocusNames=YPTS_0915;
OS   Yersinia pseudotuberculosis serotype IB (strain PB1/+).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Yersiniaceae; Yersinia.
OX   NCBI_TaxID=502801;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PB1/+;
RA   Copeland A., Lucas S., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA   Bruce D., Goodwin L., Pitluck S., Munk A.C., Brettin T., Detter J.C.,
RA   Han C., Tapia R., Schmutz J., Larimer F., Land M., Hauser L.,
RA   Challacombe J.F., Green L., Lindler L.E., Nikolich M.P., Richardson P.;
RT   "Complete sequence of Yersinia pseudotuberculosis PB1/+.";
RL   Submitted (APR-2008) to the EMBL/GenBank/DDBJ databases.
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; CP001048; ACC87896.1; -; Genomic_DNA.
DR   RefSeq; WP_011191831.1; NZ_CP009780.1.
DR   AlphaFoldDB; B2K630; -.
DR   SMR; B2K630; -.
DR   GeneID; 66842697; -.
DR   KEGG; ypb:YPTS_0915; -.
DR   PATRIC; fig|502801.10.peg.248; -.
DR   OMA; IRGHGLY; -.
DR   BioCyc; YPSE502801:YPTS_RS04740-MON; -.
DR   UniPathway; UPA00904; UER00875.
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   GO; GO:0005996; P:monosaccharide metabolic process; IEA:UniProt.
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   Zinc.
FT   CHAIN           1..222
FT                   /note="Methylthioribulose-1-phosphate dehydratase"
FT                   /id="PRO_0000357126"
FT   BINDING         94
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01677"
FT   BINDING         96
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01677"
SQ   SEQUENCE   222 AA;  24613 MW;  ECD3F78B7CB32765 CRC64;
     MTENRQLGAL LAACHWIGEK GWCPATGGNM SLRLDLAHCL ITESGKDKGS LAAEDFLLVE
     TANNHVPSGR TPSAETGLHT LLYRLYPEIQ AVLHTHSVNA TVLSRVERSN ALVLQGYEMQ
     KSLSGQRSHL DAVVIPIFDN DQDIPVLAQR VAAYADNRPL QYGFLVRGHG LYCWGNSVVE
     ARRHLEGLEF LFQCELQRRL FDVNSNVDVK PNVDVNPNVE AK
 
 
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