DivIC

• Description: cell-division initiation protein (septum formation), component of septosome (with DivIB)
  
  

Gene name	divIC
Synonyms
Essential	yes PubMed
Product	cell-division protein
Function	septum formation
MW, pI	14 kDa, 9.968
Gene length, protein length	375 bp, 125 aa
Immediate neighbours	yabQ, yabR
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: BSU00620

Phenotypes of a mutant

essential PubMed

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: stabilizes FtsL against RasP cleavage PubMed

• Protein family:

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:
  • DivIC-FtsL PubMed
  • PbpB-DivIB-(FtsL-DivIC)2 PubMed, as part of the divisome

• Localization: membrane bound PubMed

Database entries

• Structure:

• UniProt: P37471

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon:
  • yabM-yabN-yabO-yabP-yabQ-divIC-yabR PubMed
  • yabP-yabQ-divIC-yabR PubMed
  • divIC-yabR PubMed

• Sigma factor:
  • yabM: unknown
  • yabP: SigE PubMed
  • divIC: SigM PubMed, SigX PubMed, SigW PubMed

• Regulation: expressed during sporulation (SigE) PubMed and under stress conditions

• Regulatory mechanism:

• Additional information: there are about 50,000 molecules of DivIC per cell PubMed

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Susan L Rowland, Kimberly D Wadsworth, Scott A Robson, Carine Robichon, Jon Beckwith, Glenn F King
Evidence from artificial septal targeting and site-directed mutagenesis that residues in the extracytoplasmic β domain of DivIB mediate its interaction with the divisomal transpeptidase PBP 2B.
J Bacteriol: 2010, 192(23);6116-25
[PubMed:20870765] [WorldCat.org] [DOI] (I p)

Inga Wadenpohl, Marc Bramkamp
DivIC stabilizes FtsL against RasP cleavage.
J Bacteriol: 2010, 192(19);5260-3
[PubMed:20644139] [WorldCat.org] [DOI] (I p)

Warawan Eiamphungporn, John D Helmann
The Bacillus subtilis sigma(M) regulon and its contribution to cell envelope stress responses.
Mol Microbiol: 2008, 67(4);830-48
[PubMed:18179421] [WorldCat.org] [DOI] (P p)

Richard A Daniel, Marie-Françoise Noirot-Gros, Philippe Noirot, Jeff Errington
Multiple interactions between the transmembrane division proteins of Bacillus subtilis and the role of FtsL instability in divisome assembly.
J Bacteriol: 2006, 188(21);7396-404
[PubMed:16936019] [WorldCat.org] [DOI] (P p)

Scott A Robson, Katharine A Michie, Joel P Mackay, Elizabeth Harry, Glenn F King
The Bacillus subtilis cell division proteins FtsL and DivIC are intrinsically unstable and do not interact with one another in the absence of other septasomal components.
Mol Microbiol: 2002, 44(3);663-74
[PubMed:11994149] [WorldCat.org] [DOI] (P p)

Kei Asai, Hiromu Takamatsu, Megumi Iwano, Takeko Kodama, Kazuhito Watabe, Naotake Ogasawara
The Bacillus subtilis yabQ gene is essential for formation of the spore cortex.
Microbiology (Reading): 2001, 147(Pt 4);919-927
[PubMed:11283287] [WorldCat.org] [DOI] (P p)

V L Katis, R G Wake, E J Harry
Septal localization of the membrane-bound division proteins of Bacillus subtilis DivIB and DivIC is codependent only at high temperatures and requires FtsZ.
J Bacteriol: 2000, 182(12);3607-11
[PubMed:10852898] [WorldCat.org] [DOI] (P p)

J Sievers, J Errington
The Bacillus subtilis cell division protein FtsL localizes to sites of septation and interacts with DivIC.
Mol Microbiol: 2000, 36(4);846-55
[PubMed:10844672] [WorldCat.org] [DOI] (P p)

N King, O Dreesen, P Stragier, K Pogliano, R Losick
Septation, dephosphorylation, and the activation of sigmaF during sporulation in Bacillus subtilis.
Genes Dev: 1999, 13(9);1156-67
[PubMed:10323866] [WorldCat.org] [DOI] (P p)

V L Katis, R G Wake
Membrane-bound division proteins DivIB and DivIC of Bacillus subtilis function solely through their external domains in both vegetative and sporulation division.
J Bacteriol: 1999, 181(9);2710-8
[PubMed:10217758] [WorldCat.org] [DOI] (P p)

R A Daniel, E J Harry, V L Katis, R G Wake, J Errington
Characterization of the essential cell division gene ftsL(yIID) of Bacillus subtilis and its role in the assembly of the division apparatus.
Mol Microbiol: 1998, 29(2);593-604
[PubMed:9720875] [WorldCat.org] [DOI] (P p)

V L Katis, E J Harry, R G Wake
The Bacillus subtilis division protein DivIC is a highly abundant membrane-bound protein that localizes to the division site.
Mol Microbiol: 1997, 26(5);1047-55
[PubMed:9426141] [WorldCat.org] [DOI] (P p)

P A Levin, R Losick
Characterization of a cell division gene from Bacillus subtilis that is required for vegetative and sporulation septum formation.
J Bacteriol: 1994, 176(5);1451-9
[PubMed:8113187] [WorldCat.org] [DOI] (P p)