ID   MTNB_CANDC              Reviewed;         271 AA.
AC   B9WHK1;
DT   20-APR-2010, integrated into UniProtKB/Swiss-Prot.
DT   24-MAR-2009, sequence version 1.
DT   03-AUG-2022, entry version 64.
DE   RecName: Full=Methylthioribulose-1-phosphate dehydratase {ECO:0000255|HAMAP-Rule:MF_03116};
DE            Short=MTRu-1-P dehydratase {ECO:0000255|HAMAP-Rule:MF_03116};
DE            EC=4.2.1.109 {ECO:0000255|HAMAP-Rule:MF_03116};
GN   Name=MDE1 {ECO:0000255|HAMAP-Rule:MF_03116}; ORFNames=CD36_52610;
OS   Candida dubliniensis (strain CD36 / ATCC MYA-646 / CBS 7987 / NCPF 3949 /
OS   NRRL Y-17841) (Yeast).
OC   Eukaryota; Fungi; Dikarya; Ascomycota; Saccharomycotina; Saccharomycetes;
OC   Saccharomycetales; Debaryomycetaceae; Candida/Lodderomyces clade; Candida.
OX   NCBI_TaxID=573826;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CD36 / ATCC MYA-646 / CBS 7987 / NCPF 3949 / NRRL Y-17841;
RX   PubMed=19745113; DOI=10.1101/gr.097501.109;
RA   Jackson A.P., Gamble J.A., Yeomans T., Moran G.P., Saunders D., Harris D.,
RA   Aslett M., Barrell J.F., Butler G., Citiulo F., Coleman D.C.,
RA   de Groot P.W.J., Goodwin T.J., Quail M.A., McQuillan J., Munro C.A.,
RA   Pain A., Poulter R.T., Rajandream M.A., Renauld H., Spiering M.J.,
RA   Tivey A., Gow N.A.R., Barrell B., Sullivan D.J., Berriman M.;
RT   "Comparative genomics of the fungal pathogens Candida dubliniensis and
RT   Candida albicans.";
RL   Genome Res. 19:2231-2244(2009).
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_03116}.
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_03116};
CC   -!- COFACTOR:
CC       Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_03116};
CC       Note=Binds 1 zinc ion per subunit. {ECO:0000255|HAMAP-Rule:MF_03116};
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_03116}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_03116}.
CC   -!- SIMILARITY: Belongs to the aldolase class II family. MtnB subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_03116}.
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DR   EMBL; FM992692; CAX41643.1; -; Genomic_DNA.
DR   RefSeq; XP_002420564.1; XM_002420519.1.
DR   AlphaFoldDB; B9WHK1; -.
DR   SMR; B9WHK1; -.
DR   STRING; 42374.XP_002420564.1; -.
DR   EnsemblFungi; CAX41643; CAX41643; CD36_52610.
DR   GeneID; 8048440; -.
DR   KEGG; cdu:CD36_52610; -.
DR   CGD; CAL0000166777; Cd36_52610.
DR   VEuPathDB; FungiDB:CD36_52610; -.
DR   eggNOG; KOG2631; Eukaryota.
DR   HOGENOM; CLU_006033_4_0_1; -.
DR   OrthoDB; 1062330at2759; -.
DR   UniPathway; UPA00904; UER00875.
DR   Proteomes; UP000002605; Chromosome 5.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
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_03116; Salvage_MtnB_euk; 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   InterPro; IPR027514; Salvage_MtnB_euk.
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; Cytoplasm; Lyase; Metal-binding;
KW   Methionine biosynthesis; Zinc.
FT   CHAIN           1..271
FT                   /note="Methylthioribulose-1-phosphate dehydratase"
FT                   /id="PRO_0000393815"
FT   ACT_SITE        166
FT                   /note="Proton donor/acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_03116"
FT   BINDING         123
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_03116"
FT   BINDING         141
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_03116"
FT   BINDING         143
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_03116"
FT   BINDING         231
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_03116"
SQ   SEQUENCE   271 AA;  30834 MW;  799D1209D644CD3E CRC64;
     MSAPCHCQHA DDDYSSIKKL SVLSPELQQE FKDPNHPANL ICELCRLFYD NNWVTGTGGG
     ISIRDVDGPN PNLVYIAPSG VQKERIQPWE MFLVELPQEK ILRTPNDIPK ELTKSYKYKP
     SACTPLFISC YTLRNAGACI HTHSQHAVMV TLFFENEKEF VISHIEQIKA LPKLKYNQET
     GKIEKIGSME YYDKLVIPII ENTPHEEDLT DSLQEAIKNY PGASAVLVRR HGIYVWGETV
     WKAKVYNEAI DYLLELAVKM KLAGIPLVKE E