ComFB

• Description: late competence gene
  
  

Gene name	comFB
Synonyms
Essential	no
Product	unknown
Function	compentence
Gene expression levels in SubtiExpress: comFB
MW, pI	10 kDa, 4.827
Gene length, protein length	294 bp, 98 aa
Immediate neighbours	comFC, comFA
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

genetic competence

This gene is a member of the following regulons

ComK regulon

The gene

Basic information

• Locus tag: BSU35460

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family:

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization:
  • localizes to one or both cell poles PubMed

Database entries

• Structure:

• UniProt: P39146

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: comFA-comFB-comFC-yvyF-flgM-yvyG-flgK-flgL PubMed

• Expression browser: comFB PubMed

• Sigma factor: comFA: SigA PubMed

• Regulation:

• Regulatory mechanism:
  • ComK: transcription activation PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Miriam Kaufenstein, Martin van der Laan, Peter L Graumann
The three-layered DNA uptake machinery at the cell pole in competent Bacillus subtilis cells is a stable complex.
J Bacteriol: 2011, 193(7);1633-42
[PubMed:21278288] [WorldCat.org] [DOI] (I p)

Hanne Jarmer, Randy Berka, Steen Knudsen, Hans H Saxild
Transcriptome analysis documents induced competence of Bacillus subtilis during nitrogen limiting conditions.
FEMS Microbiol Lett: 2002, 206(2);197-200
[PubMed:11814663] [WorldCat.org] [DOI] (P p)

J A Londoño-Vallejo, D Dubnau
comF, a Bacillus subtilis late competence locus, encodes a protein similar to ATP-dependent RNA/DNA helicases.
Mol Microbiol: 1993, 9(1);119-31
[PubMed:8412657] [WorldCat.org] [DOI] (P p)