ID W0I288_9GAMM Unreviewed; 204 AA.
AC W0I288;
DT 19-MAR-2014, integrated into UniProtKB/TrEMBL.
DT 19-MAR-2014, sequence version 1.
DT 24-JAN-2024, entry version 41.
DE RecName: Full=Methylthioribulose-1-phosphate dehydratase {ECO:0000256|HAMAP-Rule:MF_01677};
DE Short=MTRu-1-P dehydratase {ECO:0000256|HAMAP-Rule:MF_01677};
DE EC=4.2.1.109 {ECO:0000256|HAMAP-Rule:MF_01677};
GN Name=mtnB {ECO:0000256|HAMAP-Rule:MF_01677};
GN ORFNames=Sant_3603 {ECO:0000313|EMBL:AHF78585.1};
OS Sodalis praecaptivus.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Bruguierivoracaceae; Sodalis.
OX NCBI_TaxID=1239307 {ECO:0000313|EMBL:AHF78585.1, ECO:0000313|Proteomes:UP000019028};
RN [1] {ECO:0000313|EMBL:AHF78585.1, ECO:0000313|Proteomes:UP000019028}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=HS1 {ECO:0000313|EMBL:AHF78585.1,
RC ECO:0000313|Proteomes:UP000019028};
RX PubMed=24407854; DOI=10.1093/gbe/evt210;
RA Oakeson K.F., Gil R., Clayton A.L., Dunn D.M., von Niederhausern A.C.,
RA Hamil C., Aoyagi A., Duval B., Baca A., Silva F.J., Vallier A.,
RA Jackson D.G., Latorre A., Weiss R.B., Heddi A., Moya A., Dale C.;
RT "Genome degeneration and adaptation in a nascent stage of symbiosis.";
RL Genome Biol. Evol. 6:76-93(2014).
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:0000256|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:0000256|HAMAP-Rule:MF_01677};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01677};
CC Note=Binds 1 zinc ion per subunit. {ECO:0000256|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:0000256|HAMAP-Rule:MF_01677}.
CC -!- SIMILARITY: Belongs to the aldolase class II family. MtnB subfamily.
CC {ECO:0000256|HAMAP-Rule:MF_01677}.
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DR EMBL; CP006569; AHF78585.1; -; Genomic_DNA.
DR RefSeq; WP_025423707.1; NZ_CP006569.1.
DR AlphaFoldDB; W0I288; -.
DR KEGG; sod:Sant_3603; -.
DR PATRIC; fig|1239307.3.peg.3979; -.
DR HOGENOM; CLU_006033_4_1_6; -.
DR OrthoDB; 9805559at2; -.
DR UniPathway; UPA00904; UER00875.
DR Proteomes; UP000019028; Chromosome.
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; Class II aldolase/adducin N-terminal domain; 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 NCBIfam; TIGR03328; salvage_mtnB; 1.
DR PANTHER; PTHR10640; METHYLTHIORIBULOSE-1-PHOSPHATE DEHYDRATASE; 1.
DR PANTHER; PTHR10640:SF7; METHYLTHIORIBULOSE-1-PHOSPHATE DEHYDRATASE; 1.
DR Pfam; PF00596; Aldolase_II; 1.
DR SMART; SM01007; Aldolase_II; 1.
DR SUPFAM; SSF53639; AraD/HMP-PK domain-like; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605, ECO:0000256|HAMAP-
KW Rule:MF_01677};
KW Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|HAMAP-Rule:MF_01677};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_01677};
KW Methionine biosynthesis {ECO:0000256|ARBA:ARBA00023167, ECO:0000256|HAMAP-
KW Rule:MF_01677}; Reference proteome {ECO:0000313|Proteomes:UP000019028};
KW Zinc {ECO:0000256|ARBA:ARBA00022833, ECO:0000256|HAMAP-Rule:MF_01677}.
FT DOMAIN 8..196
FT /note="Class II aldolase/adducin N-terminal"
FT /evidence="ECO:0000259|SMART:SM01007"
FT BINDING 94
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01677"
FT BINDING 96
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01677"
SQ SEQUENCE 204 AA; 22688 MW; D83C3A4EF4058472 CRC64;
MAENKPLAEL VAACRWIGAR GWSPATGGNM SQRRDAHSCF ITTSGLDKGD LGPDDFITVD
IHTGETQSGR RPSAETGLHA FLYRRFPEVG CVLHTHSVSA TVLSRAEPGS ALRLSGYEMQ
KALAGQSDHQ DEVAIAVFDN AQDIPALVQR IAQRDTITPL RYGFLMRGHG LTCWGRDVRE
ARRHLEGLEF LFECEWRRRL LEAK
//
