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LEU3_NEIG1
ID   LEU3_NEIG1              Reviewed;         356 AA.
AC   Q5F8T6;
DT   10-JAN-2006, integrated into UniProtKB/Swiss-Prot.
DT   15-MAR-2005, sequence version 1.
DT   03-AUG-2022, entry version 102.
DE   RecName: Full=3-isopropylmalate dehydrogenase {ECO:0000255|HAMAP-Rule:MF_01033};
DE            EC=1.1.1.85 {ECO:0000255|HAMAP-Rule:MF_01033};
DE   AltName: Full=3-IPM-DH {ECO:0000255|HAMAP-Rule:MF_01033};
DE   AltName: Full=Beta-IPM dehydrogenase {ECO:0000255|HAMAP-Rule:MF_01033};
DE            Short=IMDH {ECO:0000255|HAMAP-Rule:MF_01033};
GN   Name=leuB {ECO:0000255|HAMAP-Rule:MF_01033}; OrderedLocusNames=NGO0674;
OS   Neisseria gonorrhoeae (strain ATCC 700825 / FA 1090).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Neisseriales; Neisseriaceae;
OC   Neisseria.
OX   NCBI_TaxID=242231;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700825 / FA 1090;
RA   Lewis L.A., Gillaspy A.F., McLaughlin R.E., Gipson M., Ducey T.F.,
RA   Ownbey T., Hartman K., Nydick C., Carson M.B., Vaughn J., Thomson C.,
RA   Song L., Lin S., Yuan X., Najar F., Zhan M., Ren Q., Zhu H., Qi S.,
RA   Kenton S.M., Lai H., White J.D., Clifton S., Roe B.A., Dyer D.W.;
RT   "The complete genome sequence of Neisseria gonorrhoeae.";
RL   Submitted (MAR-2003) 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:0000255|HAMAP-Rule:MF_01033}.
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; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01033};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01033};
CC       Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01033};
CC       Note=Binds 1 Mg(2+) or Mn(2+) ion per subunit. {ECO:0000255|HAMAP-
CC       Rule:MF_01033};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-leucine biosynthesis; L-leucine
CC       from 3-methyl-2-oxobutanoate: step 3/4. {ECO:0000255|HAMAP-
CC       Rule:MF_01033}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01033}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01033}.
CC   -!- SIMILARITY: Belongs to the isocitrate and isopropylmalate
CC       dehydrogenases family. LeuB type 1 subfamily. {ECO:0000255|HAMAP-
CC       Rule:MF_01033}.
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DR   EMBL; AE004969; AAW89401.1; -; Genomic_DNA.
DR   RefSeq; WP_003697157.1; NC_002946.2.
DR   RefSeq; YP_207813.1; NC_002946.2.
DR   AlphaFoldDB; Q5F8T6; -.
DR   SMR; Q5F8T6; -.
DR   STRING; 242231.NGO_0674; -.
DR   PRIDE; Q5F8T6; -.
DR   EnsemblBacteria; AAW89401; AAW89401; NGO_0674.
DR   KEGG; ngo:NGO_0674; -.
DR   PATRIC; fig|242231.10.peg.795; -.
DR   HOGENOM; CLU_031953_0_3_4; -.
DR   OMA; EYDLGAR; -.
DR   UniPathway; UPA00048; UER00072.
DR   Proteomes; UP000000535; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0003862; F:3-isopropylmalate dehydrogenase activity; IEA:UniProtKB-UniRule.
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-UniRule.
DR   HAMAP; MF_01033; LeuB_type1; 1.
DR   InterPro; IPR019818; IsoCit/isopropylmalate_DH_CS.
DR   InterPro; IPR024084; IsoPropMal-DH-like_dom.
DR   InterPro; IPR004429; Isopropylmalate_DH.
DR   PANTHER; PTHR42979; PTHR42979; 1.
DR   Pfam; PF00180; Iso_dh; 1.
DR   SMART; SM01329; Iso_dh; 1.
DR   TIGRFAMs; TIGR00169; leuB; 1.
DR   PROSITE; PS00470; IDH_IMDH; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Branched-chain amino acid biosynthesis; Cytoplasm;
KW   Leucine biosynthesis; Magnesium; Manganese; Metal-binding; NAD;
KW   Oxidoreductase; Reference proteome.
FT   CHAIN           1..356
FT                   /note="3-isopropylmalate dehydrogenase"
FT                   /id="PRO_0000083709"
FT   BINDING         95
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01033"
FT   BINDING         105
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01033"
FT   BINDING         133
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01033"
FT   BINDING         223
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01033"
FT   BINDING         223
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01033"
FT   BINDING         247
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01033"
FT   BINDING         251
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01033"
FT   BINDING         281..293
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01033"
FT   SITE            140
FT                   /note="Important for catalysis"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01033"
FT   SITE            191
FT                   /note="Important for catalysis"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01033"
SQ   SEQUENCE   356 AA;  39041 MW;  9EAD738A9F333C4B CRC64;
     MTKHIAILRG DGIGPEIVAE TVRVLDKFIA QGLDADYEYA PLGGEAYDEY GHPYPEFTQN
     LCRKADAVLL GAVGSPQYDN LDRPLRPERG LLAIRKDLNL FANLRPAVLY PELANASTLK
     PEIVAGLDIL IVRELTGDIY FGEPRGIRVL ENGEHEGYNT MKYSESEIRR IAHVAFQSAQ
     KRSKKVCSVG KANVLETTEL WREIFEEIGK QYPDVELSHM YVDNAAMQLV RAPKQFDVIA
     TGNIFGDILS DEASMLTGSI GMLPSASLDE NGKGLYEPSH GSAPDIAGQN KANPLATILS
     LAMLLRYSLN DEARAQQVEN SVQKVLQQGL RTGDIYEEGT KLVSCSEMGD AVLAAL
 
 
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