ID F0UHW7_AJEC8 Unreviewed; 374 AA.
AC F0UHW7;
DT 03-MAY-2011, integrated into UniProtKB/TrEMBL.
DT 03-MAY-2011, sequence version 1.
DT 24-JAN-2024, entry version 47.
DE RecName: Full=3-isopropylmalate dehydrogenase {ECO:0000256|ARBA:ARBA00013101, ECO:0000256|RuleBase:RU004445};
DE EC=1.1.1.85 {ECO:0000256|ARBA:ARBA00013101, ECO:0000256|RuleBase:RU004445};
GN ORFNames=HCEG_04691 {ECO:0000313|EMBL:EGC45476.1};
OS Ajellomyces capsulatus (strain H88) (Darling's disease fungus) (Histoplasma
OS capsulatum).
OC Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Eurotiomycetes;
OC Eurotiomycetidae; Onygenales; Ajellomycetaceae; Histoplasma.
OX NCBI_TaxID=544711 {ECO:0000313|Proteomes:UP000008142};
RN [1] {ECO:0000313|Proteomes:UP000008142}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=H88 {ECO:0000313|Proteomes:UP000008142};
RA Champion M., Cuomo C., Ma L.-J., Henn M.R., Sil A., Goldman B., Young S.K.,
RA Kodira C.D., Zeng Q., Koehrsen M., Alvarado L., Berlin A., Borenstein D.,
RA Chen Z., Engels R., Freedman E., Gellesch M., Goldberg J., Griggs A.,
RA Gujja S., Heiman D., Hepburn T., Howarth C., Jen D., Larson L., Lewis B.,
RA Mehta T., Park D., Pearson M., Roberts A., Saif S., Shea T., Shenoy N.,
RA Sisk P., Stolte C., Sykes S., Walk T., White J., Yandava C., Klein B.,
RA McEwen J.G., Puccia R., Goldman G.H., Felipe M.S., Nino-Vega G.,
RA San-Blas G., Taylor J., Mendoza L., Galagan J., Nusbaum C., Birren B.;
RT "Annotation of Ajellomyces capsulatus strain H88.";
RL Submitted (JUL-2008) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the oxidation of 3-carboxy-2-hydroxy-4-
CC methylpentanoate (3-isopropylmalate) to 3-carboxy-4-methyl-2-
CC oxopentanoate. The product decarboxylates to 4-methyl-2 oxopentanoate.
CC {ECO:0000256|RuleBase:RU004445}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(2R,3S)-3-isopropylmalate + NAD(+) = 4-methyl-2-oxopentanoate
CC + CO2 + NADH; Xref=Rhea:RHEA:32271, ChEBI:CHEBI:16526,
CC ChEBI:CHEBI:17865, ChEBI:CHEBI:35121, ChEBI:CHEBI:57540,
CC ChEBI:CHEBI:57945; EC=1.1.1.85;
CC Evidence={ECO:0000256|RuleBase:RU004445};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|RuleBase:RU004445};
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|RuleBase:RU004445};
CC Note=Binds 1 Mg(2+) or Mn(2+) ion per subunit.
CC {ECO:0000256|RuleBase:RU004445};
CC -!- COFACTOR:
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|ARBA:ARBA00001936};
CC -!- PATHWAY: Amino-acid biosynthesis; L-leucine biosynthesis; L-leucine
CC from 3-methyl-2-oxobutanoate: step 3/4.
CC {ECO:0000256|RuleBase:RU004445}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|ARBA:ARBA00011738,
CC ECO:0000256|RuleBase:RU004445}.
CC -!- SIMILARITY: Belongs to the isocitrate and isopropylmalate
CC dehydrogenases family. {ECO:0000256|ARBA:ARBA00007769,
CC ECO:0000256|RuleBase:RU004443}.
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DR EMBL; DS990639; EGC45476.1; -; Genomic_DNA.
DR AlphaFoldDB; F0UHW7; -.
DR STRING; 544711.F0UHW7; -.
DR VEuPathDB; FungiDB:I7I53_02681; -.
DR HOGENOM; CLU_031953_0_3_1; -.
DR OMA; FRYSLDM; -.
DR UniPathway; UPA00048; UER00072.
DR Proteomes; UP000008142; Unassembled WGS sequence.
DR GO; GO:0003862; F:3-isopropylmalate dehydrogenase activity; IEA:UniProtKB-EC.
DR GO; GO:0000287; F:magnesium ion binding; IEA:InterPro.
DR GO; GO:0051287; F:NAD binding; IEA:InterPro.
DR GO; GO:0009098; P:leucine biosynthetic process; IEA:UniProtKB-UniPathway.
DR Gene3D; 3.40.718.10; Isopropylmalate Dehydrogenase; 1.
DR InterPro; IPR019818; IsoCit/isopropylmalate_DH_CS.
DR InterPro; IPR024084; IsoPropMal-DH-like_dom.
DR InterPro; IPR004429; Isopropylmalate_DH.
DR NCBIfam; TIGR00169; leuB; 1.
DR PANTHER; PTHR42979; 3-ISOPROPYLMALATE DEHYDROGENASE; 1.
DR PANTHER; PTHR42979:SF4; 3-ISOPROPYLMALATE DEHYDROGENASE; 1.
DR Pfam; PF00180; Iso_dh; 1.
DR SMART; SM01329; Iso_dh; 1.
DR SUPFAM; SSF53659; Isocitrate/Isopropylmalate dehydrogenase-like; 1.
DR PROSITE; PS00470; IDH_IMDH; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605};
KW Branched-chain amino acid biosynthesis {ECO:0000256|ARBA:ARBA00023304,
KW ECO:0000256|RuleBase:RU004445};
KW Leucine biosynthesis {ECO:0000256|ARBA:ARBA00022430,
KW ECO:0000256|RuleBase:RU004445}; Magnesium {ECO:0000256|ARBA:ARBA00022842};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|RuleBase:RU004445};
KW NAD {ECO:0000256|ARBA:ARBA00023027, ECO:0000256|RuleBase:RU004445};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|RuleBase:RU004443};
KW Reference proteome {ECO:0000313|Proteomes:UP000008142}.
FT DOMAIN 5..364
FT /note="Isopropylmalate dehydrogenase-like"
FT /evidence="ECO:0000259|SMART:SM01329"
SQ SEQUENCE 374 AA; 39823 MW; 841CDE4E16177E11 CRC64;
MVTHKVLVLP GDGIGPEITA EAVKVLSVFS SQTRTFALRT ELIGGCSIDA HGTPLTDSVK
QAALDADAVL FAAVGGPKWD GVRRGLEGPE GGLLQLRKAM SVYGNLRPCI SPCKAVTREF
TPFKEEVVEG VEFLVLRENC GGAYFGRKVE EQDYAMDEWG YSAEEVRRIA RLAAYLALHH
KSPTFSPNPL PVISLDKANV LASSRLWRRV VTETISTEFP QLKLTHQLAD SASLLMATKP
RVLNGVLLAD NTFGDMLSDQ AGSLVGSLGV LPSASLSGVP GEDGKGGLKG LYEPTHGSAP
DIAGQCKANP LAMILCVAMM FRYSFHMEAE AQLIEQAVSA VLESGIRTPD LGGKAKTAEV
GDAIVEFIKK TGGL
//