EtfB

• Description: electron transfer flavoprotein (beta subunit)
  
  

Gene name	etfB
Synonyms
Essential	no
Product	electron transfer flavoprotein (beta subunit)
Function	fatty acid degradation
Gene expression levels in SubtiExpress: etfB
Metabolic function and regulation of this protein in SubtiPathways: etfB
MW, pI	28 kDa, 4.187
Gene length, protein length	771 bp, 257 aa
Immediate neighbours	etfA, fadB
Sequences	Protein DNA DNA_with_flanks
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed 500px

Categories containing this gene/protein

electron transport/ other, utilization of lipids

This gene is a member of the following regulons

CcpA regulon, FadR regulon

The gene

Basic information

• Locus tag: BSU28530

Database entries

• BsubCyc: BSU28530

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: ETF beta-subunit/fixA family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions: EtfA-EtfB (based on function)

• Localization:

Database entries

• BsubCyc: BSU28530

• Structure:

• UniProt: P94550

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon:
  • lcfA-fadR-fadB-etfB-etfA PubMed
  • fadR-fadB-etfB-etfA PubMed

• Expression browser: etfB PubMed

• Sigma factor:
  • lcfA: SigA PubMed
  • fadR: SigA PubMed

• Regulation:
  • induced by long-chain fatty acids (FadR) PubMed
  • subject to carbon catabolite repression (CcpA-HPr(Ser-P) PubMed

• Regulatory mechanism:
  • FadR: transcription repression PubMed
  • CcpA-HPr(Ser-P): transcription repression PubMed

• Additional information:
  • number of protein molecules per cell (minimal medium with glucose and ammonium): 212 PubMed
  • number of protein molecules per cell (complex medium with amino acids, without glucose): 890 PubMed

Biological materials

• Mutant:
  • 1A855 ( etfB::cat), PubMed, available at BGSC

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Additional publications: PubMed

Yasutaro Fujita, Hiroshi Matsuoka, Kazutake Hirooka
Regulation of fatty acid metabolism in bacteria.
Mol Microbiol: 2007, 66(4);829-39
[PubMed:17919287] [WorldCat.org] [DOI] (P p)

Hiroshi Matsuoka, Kazutake Hirooka, Yasutaro Fujita
Organization and function of the YsiA regulon of Bacillus subtilis involved in fatty acid degradation.
J Biol Chem: 2007, 282(8);5180-94
[PubMed:17189250] [WorldCat.org] [DOI] (P p)

Chiara Barabesi, Alessandro Galizzi, Giorgio Mastromei, Mila Rossi, Elena Tamburini, Brunella Perito
Bacillus subtilis gene cluster involved in calcium carbonate biomineralization.
J Bacteriol: 2007, 189(1);228-35
[PubMed:17085570] [WorldCat.org] [DOI] (P p)