SrfAC

• Description: surfactin synthetase / competence
  
  

Gene name	srfAC
Synonyms	comL
Essential	no
Product	surfactin synthetase / competence
Function	antibiotic synthesis
MW, pI	143 kDa, 4.97
Gene length, protein length	3822 bp, 1274 aa
Immediate neighbours	comS, srfAD
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

The gene

Basic information

• Locus tag: BSU03510

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

Categories containing this gene/protein

miscellaneous metabolic pathways, biosynthesis of antibacterial compounds, membrane proteins, phosphoproteins

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: acyl carrier domain (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification: phosphorylation on Ser-1003 PubMed

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization: cell membrane PubMed

Database entries

• Structure: 2VSQ

• UniProt: Q08787

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: srfAA-srfAB-comS-srfAC-srfAD PubMed

• Sigma factor: SigA PubMed

• Regulation:
  • repressed during growth in the presence of branched chain amino acids (CodY) PubMed
  • repressed during hydrogen peroxide stress (PerR) PubMed
  • expressed at high cell density (ComA) PubMed

• Regulatory mechanism:
  • CodY: transcription repression PubMed
  • ComA: transcription activation PubMed
  • PerR: transcription activation PubMed
  • Spx: transcription repression PubMed
  • Abh: transcription repressionPubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Reviews

Massimiliano Marvasi, Pieter T Visscher, Lilliam Casillas Martinez
Exopolymeric substances (EPS) from Bacillus subtilis: polymers and genes encoding their synthesis.
FEMS Microbiol Lett: 2010, 313(1);1-9
[PubMed:20735481] [WorldCat.org] [DOI] (I p)