Difference between revisions of "Bcd"

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Revision as of 17:23, 14 July 2011

  • Description: valine dehydrogenase, isoleucine dehydrogenase, L-leucine dehydrogenase

Gene name bcd
Synonyms bkd, yqiT
Essential no
Product valine dehydrogenase, isoleucine dehydrogenase,
L-leucine dehydrogenase
Function utilization of branched-chain keto acids
Metabolic function and regulation of this protein in SubtiPathways:
Lipid synthesis, Ile, Leu, Val
MW, pI 39 kDa, 4.942
Gene length, protein length 1092 bp, 364 aa
Immediate neighbours buk, ptb
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
Bcd context.gif
This image was kindly provided by SubtiList









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: BSU24080

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: L-leucine + H2O + NAD+ = 4-methyl-2-oxopentanoate + NH3 + NADH (according to Swiss-Prot)
  • Protein family: Glu/Leu/Phe/Val dehydrogenases family (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

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

Database entries

  • Structure: 1LEH (from Lysinibacillus sphaericus, 71% identity, 82% similarity) PubMed
  • 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)