MTNB_PYRTR
ID MTNB_PYRTR Reviewed; 232 AA.
AC B2WCB2;
DT 20-APR-2010, integrated into UniProtKB/Swiss-Prot.
DT 01-JUL-2008, sequence version 1.
DT 03-AUG-2022, entry version 59.
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=PTRG_07621;
OS Pyrenophora tritici-repentis (strain Pt-1C-BFP) (Wheat tan spot fungus)
OS (Drechslera tritici-repentis).
OC Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Dothideomycetes;
OC Pleosporomycetidae; Pleosporales; Pleosporineae; Pleosporaceae;
OC Pyrenophora.
OX NCBI_TaxID=426418;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Pt-1C-BFP;
RX PubMed=23316438; DOI=10.1534/g3.112.004044;
RA Manning V.A., Pandelova I., Dhillon B., Wilhelm L.J., Goodwin S.B.,
RA Berlin A.M., Figueroa M., Freitag M., Hane J.K., Henrissat B., Holman W.H.,
RA Kodira C.D., Martin J., Oliver R.P., Robbertse B., Schackwitz W.,
RA Schwartz D.C., Spatafora J.W., Turgeon B.G., Yandava C., Young S., Zhou S.,
RA Zeng Q., Grigoriev I.V., Ma L.-J., Ciuffetti L.M.;
RT "Comparative genomics of a plant-pathogenic fungus, Pyrenophora tritici-
RT repentis, reveals transduplication and the impact of repeat elements on
RT pathogenicity and population divergence.";
RL G3 (Bethesda) 3:41-63(2013).
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; DS231622; EDU50540.1; -; Genomic_DNA.
DR RefSeq; XP_001937953.1; XM_001937918.1.
DR AlphaFoldDB; B2WCB2; -.
DR SMR; B2WCB2; -.
DR STRING; 45151.EDU50540; -.
DR EnsemblFungi; EDU50540; EDU50540; PTRG_07621.
DR GeneID; 6345893; -.
DR eggNOG; KOG2631; Eukaryota.
DR HOGENOM; CLU_006033_4_0_1; -.
DR InParanoid; B2WCB2; -.
DR OMA; IRGHGLY; -.
DR OrthoDB; 1062330at2759; -.
DR UniPathway; UPA00904; UER00875.
DR Proteomes; UP000001471; 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..232
FT /note="Methylthioribulose-1-phosphate dehydratase"
FT /id="PRO_0000393844"
FT ACT_SITE 137
FT /note="Proton donor/acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03116"
FT BINDING 91
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03116"
FT BINDING 108
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03116"
FT BINDING 110
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03116"
FT BINDING 194
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03116"
SQ SEQUENCE 232 AA; 26171 MW; 03C7A6F2E9DCE348 CRC64;
MASNDIDAEA LVHSDDPSHP ANHICTLCAK FYNLGWVTGT GGGTSIRHED KIYIAPSGVQ
KELMKPTDMF VMDFNSKEYL RKPQVLKPSA CTPLFLAAFE RGAGCCIHTH SQWAVLVTLI
VERDFGKDAC FEIEEIEQIK GIPKGRGKQG NLGYYDRLRI PIIENTAHEE DLRESLEEAM
EKYPDSYAIL VKRHGIYVWG DNVHKAKTQC ESIDYILQLA VEMKKLGLPW TK
