ComGC

• Description: DNA uptake, major component of the pseudopilus
  
  

Gene name	comGC
Synonyms
Essential	no
Product	major pseudopilin
Function	genetic competence
Gene expression levels in SubtiExpress: comGC
Interactions involving this protein in SubtInteract: ComGC
Metabolic function and regulation of this protein in SubtiPathways: ComGC
MW, pI	10 kDa, 6.325
Gene length, protein length	294 bp, 98 aa
Immediate neighbours	comGD, comGB
Sequences	Protein DNA DNA_with_flanks
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

genetic competence, membrane proteins

This gene is a member of the following regulons

ComK regulon

The gene

Basic information

• Locus tag: BSU24710

Phenotypes of a mutant

• knockout has complete loss of transformation competence

Database entries

• BsubCyc: BSU24710

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

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

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:
  • ComGB-ComGC PubMed
  • ComC-ComGC PubMed
  • forms large complexes (the pseudopilus) PubMed

• Localization:
  • cell surface PubMed
  • localizes to the cell membrane and the cytoplasm PubMed
  • localizes to one single cell pole in the majority of the cells PubMed

= Database entries

• Structure:

• UniProt: P25955

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: comGA-comGB-comGC-comGD-comGE-comGF-comGG-yqzE PubMed

• Expression browser: comGC PubMed

• Sigma factor: SigA PubMed

• Regulation:
  • repressed by casamino acids PubMed

• Regulatory mechanism:
  • ComK: transcription activation PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Reviews

Inês Chen, David Dubnau
DNA uptake during bacterial transformation.
Nat Rev Microbiol: 2004, 2(3);241-9
[PubMed:15083159] [WorldCat.org] [DOI] (P p)

Original publications

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)

Inês Chen, Roberta Provvedi, David Dubnau
A macromolecular complex formed by a pilin-like protein in competent Bacillus subtilis.
J Biol Chem: 2006, 281(31);21720-21727
[PubMed:16751195] [WorldCat.org] [DOI] (P p)

Ulrike Mäder, Georg Homuth, Christian Scharf, Knut Büttner, Rüdiger Bode, Michael Hecker
Transcriptome and proteome analysis of Bacillus subtilis gene expression modulated by amino acid availability.
J Bacteriol: 2002, 184(15);4288-95
[PubMed:12107147] [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)

Rob Meima, Caroline Eschevins, Sabine Fillinger, Albert Bolhuis, Leendert W Hamoen, Ronald Dorenbos, Wim J Quax, Jan Maarten van Dijl, Roberta Provvedi, Ines Chen, David Dubnau, Sierd Bron
The bdbDC operon of Bacillus subtilis encodes thiol-disulfide oxidoreductases required for competence development.
J Biol Chem: 2002, 277(9);6994-7001
[PubMed:11744713] [WorldCat.org] [DOI] (P p)

Y S Chung, F Breidt, D Dubnau
Cell surface localization and processing of the ComG proteins, required for DNA binding during transformation of Bacillus subtilis.
Mol Microbiol: 1998, 29(3);905-13
[PubMed:9723928] [WorldCat.org] [DOI] (P p)

Y S Chung, D Dubnau
All seven comG open reading frames are required for DNA binding during transformation of competent Bacillus subtilis.
J Bacteriol: 1998, 180(1);41-5
[PubMed:9422590] [WorldCat.org] [DOI] (P p)

Y S Chung, D Dubnau
ComC is required for the processing and translocation of comGC, a pilin-like competence protein of Bacillus subtilis.
Mol Microbiol: 1995, 15(3);543-51
[PubMed:7783624] [WorldCat.org] [DOI] (P p)

D van Sinderen, A ten Berge, B J Hayema, L Hamoen, G Venema
Molecular cloning and sequence of comK, a gene required for genetic competence in Bacillus subtilis.
Mol Microbiol: 1994, 11(4);695-703
[PubMed:8196543] [WorldCat.org] [DOI] (P p)

R Breitling, D Dubnau
A membrane protein with similarity to N-methylphenylalanine pilins is essential for DNA binding by competent Bacillus subtilis.
J Bacteriol: 1990, 172(3);1499-508
[PubMed:1968455] [WorldCat.org] [DOI] (P p)

M Albano, R Breitling, D A Dubnau
Nucleotide sequence and genetic organization of the Bacillus subtilis comG operon.
J Bacteriol: 1989, 171(10);5386-404
[PubMed:2507524] [WorldCat.org] [DOI] (P p)