MTNB_GEOSW
ID MTNB_GEOSW Reviewed; 213 AA.
AC C5D7V1;
DT 22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT 28-JUL-2009, sequence version 1.
DT 03-AUG-2022, entry version 68.
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=GWCH70_0852;
OS Geobacillus sp. (strain WCH70).
OC Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Geobacillus;
OC unclassified Geobacillus.
OX NCBI_TaxID=471223;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=WCH70;
RG US DOE Joint Genome Institute;
RA Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA Bruce D., Goodwin L., Pitluck S., Chertkov O., Brettin T., Detter J.C.,
RA Han C., Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N.,
RA Brumm P., Mead D.A., Richardson P.;
RT "Complete sequence of chromosome of Geopacillus sp. WCH70.";
RL Submitted (JUN-2009) 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 -!- SUBUNIT: Homotetramer. {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; CP001638; ACS23732.1; -; Genomic_DNA.
DR RefSeq; WP_012749528.1; NC_012793.1.
DR AlphaFoldDB; C5D7V1; -.
DR SMR; C5D7V1; -.
DR STRING; 471223.GWCH70_0852; -.
DR EnsemblBacteria; ACS23732; ACS23732; GWCH70_0852.
DR KEGG; gwc:GWCH70_0852; -.
DR eggNOG; COG0235; Bacteria.
DR HOGENOM; CLU_006033_4_1_9; -.
DR OMA; IRGHGLY; -.
DR OrthoDB; 599627at2; -.
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 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..213
FT /note="Methylthioribulose-1-phosphate dehydratase"
FT /id="PRO_1000215892"
FT BINDING 97
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01677"
FT BINDING 99
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01677"
SQ SEQUENCE 213 AA; 23903 MW; D4571424DB01F5BE CRC64;
MSLLVKRWKE LAEIKAELAA RDWFFATSGN LSIKVTDDPL TFLVTASGKD KRKQTDEDFL
LVDASGNPVE NTHLKPSAET LLHVEIYKKT NAGCSLHVHT IDNNVISELY GDEGEVAFSG
QEIIKAFGIW EEDAVIRIPI IPNYAHIPTL AKEFAKHVNG DAGAVLIRNH GITVWGRDAF
EAKKFLEAWE FLFSWHVKWL LLKQTAVLPV VKP