SrfAD

• Description: surfactin synthetase / competence
  
  

Gene name	srfAD
Synonyms	comL
Essential	no
Product	surfactin synthetase / competence
Function	antibiotic synthesis
MW, pI	27 kDa, 5.22
Gene length, protein length	726 bp, 242 aa
Immediate neighbours	srfAC, ycxA
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: BSU03520

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: thioesterase family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization: cytoplasm (according to Swiss-Prot)

Database entries

• Structure: 2RON, 2K2Q

• Swiss prot entry: Q08788

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon:

• Sigma factor:

• Regulation:
  • repressed during growth in the presence of branched chain amino acids (CodY) PubMed

• Regulatory mechanism:
  • CodY: transcription repression PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Alexander Koglin, Frank Löhr, Frank Bernhard, Vladimir V Rogov, Dominique P Frueh, Eric R Strieter, Mohammad R Mofid, Peter Güntert, Gerhard Wagner, Christopher T Walsh, Mohamed A Marahiel, Volker Dötsch
Structural basis for the selectivity of the external thioesterase of the surfactin synthetase.
Nature: 2008, 454(7206);907-11
[PubMed:18704089] [WorldCat.org] [DOI] (I p)

Mitsuo Ogura, Yasutaro Fujita
Bacillus subtilis rapD, a direct target of transcription repression by RghR, negatively regulates srfA expression.
FEMS Microbiol Lett: 2007, 268(1);73-80
[PubMed:17227471] [WorldCat.org] [DOI] (P p)

Kentaro Hayashi, Taku Ohsawa, Kazuo Kobayashi, Naotake Ogasawara, Mitsuo Ogura
The H2O2 stress-responsive regulator PerR positively regulates srfA expression in Bacillus subtilis.
J Bacteriol: 2005, 187(19);6659-67
[PubMed:16166527] [WorldCat.org] [DOI] (P p)

P Serror, A L Sonenshein
CodY is required for nutritional repression of Bacillus subtilis genetic competence.
J Bacteriol: 1996, 178(20);5910-5
[PubMed:8830686] [WorldCat.org] [DOI] (P p)