LeuC

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  • Description: 3-isopropylmalate dehydratase (large subunit)

Gene name leuC
Synonyms
Essential no
Product 3-isopropylmalate dehydratase (large subunit)
Function biosynthesis of leucine
Gene expression levels in SubtiExpress: leuC
Metabolic function and regulation of this protein in SubtiPathways:
Ile, Leu, Val, Coenzyme A
MW, pI 52 kDa, 6.127
Gene length, protein length 1416 bp, 472 aa
Immediate neighbours leuD, leuB
Sequences Protein DNA DNA_with_flanks
Genetic context
LeuC context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
LeuC expression.png















Categories containing this gene/protein

biosynthesis/ acquisition of amino acids, phosphoproteins

This gene is a member of the following regulons

CcpA regulon, CodY regulon, FsrA regulon, T-box, TnrA regulon

The gene

Basic information

  • Locus tag: BSU28260

Phenotypes of a mutant

Database entries

  • DBTBS entry: [1]
  • SubtiList entry: [2]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: (2R,3S)-3-isopropylmalate = (2S)-2-isopropylmaleate + H2O (according to Swiss-Prot)
  • Protein family: LeuC type 1 subfamily (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Modification:
    • phosphorylated on Arg-81 PubMed
  • Effectors of protein activity:

Database entries

  • Structure:
  • KEGG entry: [3]

Additional information

  • subject to Clp-dependent proteolysis upon glucose starvation PubMed

Expression and regulation

  • Regulation:
    • for a complete overview on the regulation of the ilv operon, see Brinsmade et al.
    • repressed in the absence of good nitrogen sources (glutamine or ammonium) (TnrA) PubMed
    • repressed during growth in the presence of branched chain amino acids (CodY) PubMed
    • repressed by casamino acids PubMed
    • expression is stimulated in the presence of glucose PubMed
    • less expressed under conditions of extreme iron limitation (FsrA) PubMed
  • Additional information: subject to Clp-dependent proteolysis upon glucose starvation PubMed

Biological materials

  • Mutant:
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Your additional remarks

References