ComFA

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  • Description: late competence protein required for DNA binding and uptake

Gene name comFA
Synonyms
Essential no
Product DNA-binding protein
Function genetic transformation
MW, pI 52 kDa, 9.824
Gene length, protein length 1389 bp, 463 aa
Immediate neighbours comFB, yviA
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
ComFA context.gif
This image was kindly provided by SubtiList



The gene

Basic information

  • Locus tag: BSU35470

Phenotypes of a mutant

Database entries

  • DBTBS entry: [1]
  • SubtiList entry: [2]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
  • Protein family: helicase 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: cell membrane PubMed,localizes to cell poles in competent cells PubMed

Database entries

  • Structure:
  • KEGG entry: [3]
  • E.C. number:

Additional information

Expression and regulation

  • Operon:
  • Regulation:
  • Regulatory mechanism:
  • Additional information:

Biological materials

  • Mutant:
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Your additional remarks

References

Naomi Kramer, Jeanette Hahn, David Dubnau
Multiple interactions among the competence proteins of Bacillus subtilis.
Mol Microbiol: 2007, 65(2);454-64
[PubMed:17630974] [WorldCat.org] [DOI] (P p)

Jeanette Hahn, Berenike Maier, Bert Jan Haijema, Michael Sheetz, David Dubnau
Transformation proteins and DNA uptake localize to the cell poles in Bacillus subtilis.
Cell: 2005, 122(1);59-71
[PubMed:16009133] [WorldCat.org] [DOI] (P 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
Mutation of the putative nucleotide binding site of the Bacillus subtilis membrane protein ComFA abolishes the uptake of DNA during transformation.
J Bacteriol: 1994, 176(15);4642-5
[PubMed:8045895] [WorldCat.org] [DOI] (P p)

J A Londoño-Vallejo, D Dubnau
Membrane association and role in DNA uptake of the Bacillus subtilis PriA analogue ComF1.
Mol Microbiol: 1994, 13(2);197-205
[PubMed:7984101] [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)