LpdV

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  • Description: 2-oxoisovalerate dehydrogenase (E3 subunit, dihydrolipoamide dehydrogenase)

Gene name lpdV
Synonyms yqiV, bkd
Essential no
Product 2-oxoisovalerate dehydrogenase
(E3 subunit, dihydrolipoamide dehydrogenase)
Function utilization of branched-chain keto acids
Gene expression levels in SubtiExpress: lpdV
Metabolic function and regulation of this protein in SubtiPathways:
lpdV
MW, pI 48 kDa, 4.893
Gene length, protein length 1371 bp, 457 aa
Immediate neighbours bkdAA, buk
Sequences Protein DNA DNA_with_flanks
Genetic context
LpdV context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
LpdV expression.png















Categories containing this gene/protein

utilization of amino acids

This gene is a member of the following regulons

BkdR regulon, CodY regulon, SigL regulon

The gene

Basic information

  • Locus tag: BSU24060

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: Protein N(6)-(dihydrolipoyl)lysine + NAD+ = protein N(6)-(lipoyl)lysine + NADH (according to Swiss-Prot)
  • Protein family: class-I pyridine nucleotide-disulfide oxidoreductase family (according to Swiss-Prot)

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:

Database entries

  • Structure: 2YQU (from Thermus thermophilus (hb8 mutant), 42% identity, 55% similarity)
  • KEGG entry: [3]

Additional information

Expression and regulation

  • Regulation:
    • induced in the presence of isoleucine or valine (BkdR) PubMed
  • Additional information:

Biological materials

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

Labs working on this gene/protein

Your additional remarks

References

M Nickel, G Homuth, C Böhnisch, U Mäder, T Schweder
Cold induction of the Bacillus subtilis bkd operon is mediated by increased mRNA stability.
Mol Genet Genomics: 2004, 272(1);98-107
[PubMed:15241682] [WorldCat.org] [DOI] (P p)

Ken-ichi Yoshida, Hirotake Yamaguchi, Masaki Kinehara, Yo-hei Ohki, Yoshiko Nakaura, Yasutaro Fujita
Identification of additional TnrA-regulated genes of Bacillus subtilis associated with a TnrA box.
Mol Microbiol: 2003, 49(1);157-65
[PubMed:12823818] [WorldCat.org] [DOI] (P p)

Tanja Kaan, Georg Homuth, Ulrike Mäder, Julia Bandow, Thomas Schweder
Genome-wide transcriptional profiling of the Bacillus subtilis cold-shock response.
Microbiology (Reading): 2002, 148(Pt 11);3441-3455
[PubMed:12427936] [WorldCat.org] [DOI] (P p)

M Debarbouille, R Gardan, M Arnaud, G Rapoport
Role of bkdR, a transcriptional activator of the sigL-dependent isoleucine and valine degradation pathway in Bacillus subtilis.
J Bacteriol: 1999, 181(7);2059-66
[PubMed:10094682] [WorldCat.org] [DOI] (P p)