MTNB_LACBS
ID MTNB_LACBS Reviewed; 237 AA.
AC B0CZ32;
DT 20-APR-2010, integrated into UniProtKB/Swiss-Prot.
DT 26-FEB-2008, sequence version 1.
DT 03-AUG-2022, entry version 61.
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=LACBIDRAFT_312101;
OS Laccaria bicolor (strain S238N-H82 / ATCC MYA-4686) (Bicoloured deceiver)
OS (Laccaria laccata var. bicolor).
OC Eukaryota; Fungi; Dikarya; Basidiomycota; Agaricomycotina; Agaricomycetes;
OC Agaricomycetidae; Agaricales; Tricholomataceae; Laccaria.
OX NCBI_TaxID=486041;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=S238N-H82 / ATCC MYA-4686;
RX PubMed=18322534; DOI=10.1038/nature06556;
RA Martin F., Aerts A., Ahren D., Brun A., Danchin E.G.J., Duchaussoy F.,
RA Gibon J., Kohler A., Lindquist E., Pereda V., Salamov A., Shapiro H.J.,
RA Wuyts J., Blaudez D., Buee M., Brokstein P., Canbaeck B., Cohen D.,
RA Courty P.E., Coutinho P.M., Delaruelle C., Detter J.C., Deveau A.,
RA DiFazio S., Duplessis S., Fraissinet-Tachet L., Lucic E., Frey-Klett P.,
RA Fourrey C., Feussner I., Gay G., Grimwood J., Hoegger P.J., Jain P.,
RA Kilaru S., Labbe J., Lin Y.C., Legue V., Le Tacon F., Marmeisse R.,
RA Melayah D., Montanini B., Muratet M., Nehls U., Niculita-Hirzel H.,
RA Oudot-Le Secq M.P., Peter M., Quesneville H., Rajashekar B., Reich M.,
RA Rouhier N., Schmutz J., Yin T., Chalot M., Henrissat B., Kuees U.,
RA Lucas S., Van de Peer Y., Podila G.K., Polle A., Pukkila P.J.,
RA Richardson P.M., Rouze P., Sanders I.R., Stajich J.E., Tunlid A.,
RA Tuskan G., Grigoriev I.V.;
RT "The genome of Laccaria bicolor provides insights into mycorrhizal
RT symbiosis.";
RL Nature 452:88-92(2008).
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; DS547094; EDR12993.1; -; Genomic_DNA.
DR RefSeq; XP_001877257.1; XM_001877222.1.
DR AlphaFoldDB; B0CZ32; -.
DR SMR; B0CZ32; -.
DR STRING; 486041.B0CZ32; -.
DR PRIDE; B0CZ32; -.
DR EnsemblFungi; EDR12993; EDR12993; LACBIDRAFT_312101.
DR GeneID; 6072245; -.
DR KEGG; lbc:LACBIDRAFT_312101; -.
DR HOGENOM; CLU_006033_4_0_1; -.
DR InParanoid; B0CZ32; -.
DR OrthoDB; 1062330at2759; -.
DR UniPathway; UPA00904; UER00875.
DR Proteomes; UP000001194; 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..237
FT /note="Methylthioribulose-1-phosphate dehydratase"
FT /id="PRO_0000393826"
FT ACT_SITE 140
FT /note="Proton donor/acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03116"
FT BINDING 98
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 196
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03116"
SQ SEQUENCE 237 AA; 26067 MW; 5E612702F238468E CRC64;
MASQDADALV TSSDPLHPAN LIPELCRSFY QLGWVTGTGG GICIRTGDKV FIAPSGVQKE
RIESTHIFVL PYPQAAPSPH TDRAFLRRPA MNLKESACTP LFWNSFDLRN AGSCIHTHSQ
HAVMATLLWP GPVFTISHQE MIKGVRVGGT GAALSYLDTL ELPIIENTPN EEDLKDSMAE
AMLKYPDAAG VLVRRHGVYV WGNDWEKAKT QTECLDYLFE MGVRMKLAGL PTVLNEA
