MTNB_PARBD
ID MTNB_PARBD Reviewed; 240 AA.
AC C1G3Q0;
DT 20-APR-2010, integrated into UniProtKB/Swiss-Prot.
DT 26-MAY-2009, sequence version 1.
DT 03-AUG-2022, entry version 57.
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=PADG_01566;
OS Paracoccidioides brasiliensis (strain Pb18).
OC Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Eurotiomycetes;
OC Eurotiomycetidae; Onygenales; Onygenales incertae sedis; Paracoccidioides.
OX NCBI_TaxID=502780;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Pb18;
RX PubMed=22046142; DOI=10.1371/journal.pgen.1002345;
RA Desjardins C.A., Champion M.D., Holder J.W., Muszewska A., Goldberg J.,
RA Bailao A.M., Brigido M.M., Ferreira M.E., Garcia A.M., Grynberg M.,
RA Gujja S., Heiman D.I., Henn M.R., Kodira C.D., Leon-Narvaez H.,
RA Longo L.V.G., Ma L.-J., Malavazi I., Matsuo A.L., Morais F.V., Pereira M.,
RA Rodriguez-Brito S., Sakthikumar S., Salem-Izacc S.M., Sykes S.M.,
RA Teixeira M.M., Vallejo M.C., Walter M.E., Yandava C., Young S., Zeng Q.,
RA Zucker J., Felipe M.S., Goldman G.H., Haas B.J., McEwen J.G., Nino-Vega G.,
RA Puccia R., San-Blas G., Soares C.M., Birren B.W., Cuomo C.A.;
RT "Comparative genomic analysis of human fungal pathogens causing
RT paracoccidioidomycosis.";
RL PLoS Genet. 7:E1002345-E1002345(2011).
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; KN275958; EEH45416.1; -; Genomic_DNA.
DR RefSeq; XP_010757502.1; XM_010759200.1.
DR AlphaFoldDB; C1G3Q0; -.
DR SMR; C1G3Q0; -.
DR STRING; 121759.XP_010757502.1; -.
DR EnsemblFungi; EEH45416; EEH45416; PADG_01566.
DR GeneID; 22581208; -.
DR KEGG; pbn:PADG_01566; -.
DR VEuPathDB; FungiDB:PADG_01566; -.
DR eggNOG; KOG2631; Eukaryota.
DR HOGENOM; CLU_006033_4_0_1; -.
DR OMA; IRGHGLY; -.
DR UniPathway; UPA00904; UER00875.
DR Proteomes; UP000001628; Unassembled WGS sequence.
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; Reference proteome; Zinc.
FT CHAIN 1..240
FT /note="Methylthioribulose-1-phosphate dehydratase"
FT /id="PRO_0000393836"
FT ACT_SITE 145
FT /note="Proton donor/acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03116"
FT BINDING 99
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03116"
FT BINDING 116
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03116"
FT BINDING 118
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03116"
FT BINDING 201
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03116"
SQ SEQUENCE 240 AA; 26886 MW; A7CD84DB68A800A3 CRC64;
MSDIKDGNND HLVESDDPEH PANLIPALCR NFYSHGWVTG TGGGASIKRD NHIFIAPSGV
QKELIQPHNI FVLSYPTPKY PPSARQYIRK PLKLNPSACT PLFLAAFERG AGCCIHTHSQ
WAVLVTLLVE REKGPEGCFE ISNIEQIKGI PRGKGKGMMG FYDTLKIPII ENTAFEEDLT
QSLEEAMEMY PDTYAVLVRR HGIYVWGDDV AKAKTQCESL DYLFQLAVEM HRLGLPWVKS
