EtfA

• Description: electron transfer flavoprotein (alpha subunit)
  
  

Gene name	etfA
Synonyms
Essential	no
Product	electron transfer flavoprotein (alpha subunit)
Function	fatty acid degradation, calcium carbonate biomineralization
Gene expression levels in SubtiExpress: etfA
Metabolic function and regulation of this protein in SubtiPathways: Fatty acid degradation
MW, pI	34 kDa, 4.652
Gene length, protein length	975 bp, 325 aa
Immediate neighbours	abf2, etfB
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

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: BSU28520

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: ETF alpha-subunit/fixB 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

• Structure:

• UniProt: P94551

• KEGG entry: [3]

• E.C. number:

Expression and regulation

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

• Expression browser: etfA 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:

Biological materials

• Mutant:
  • 1A856 ( etfA::cat), PubMed, available at BGSC

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Reviews

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)

Original Publications

Additional publications: PubMed

Massimiliano Marvasi, Pieter T Visscher, Brunella Perito, Giorgio Mastromei, Lilliam Casillas-Martínez
Physiological requirements for carbonate precipitation during biofilm development of Bacillus subtilis etfA mutant.
FEMS Microbiol Ecol: 2010, 71(3);341-50
[PubMed:20059546] [WorldCat.org] [DOI] (I 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)