PonA

• Description: penicillin-binding protein 1A/1B
  
  

Gene name	ponA
Synonyms
Essential	no
Product	penicillin-binding protein 1A/1B
Function	bifunctional glucosyltransferase/ transpeptidase
MW, pI	99 kDa, 4.752
Gene length, protein length	2742 bp, 914 aa
Immediate neighbours	recU, ypoC
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: BSU22320

Phenotypes of a mutant

prevents bulging of the cells when grown at low Mg(2+) concentrations, suppresses the lethal effect of a mreB mutation PubMed

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

Categories containing this gene/protein

cell wall synthesis, cell envelope stress proteins (controlled by SigM, W, X, Y), membrane proteins

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: membrane associated PubMed , localizes to the spore septum during sporulation Link to a summary

Database entries

• Structure:

• UniProt: P39793

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: recU-ponA PubMed

• Sigma factor: SigM PubMed

• Regulation: constitutive during vegetative growth PubMed

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system: B. pertussis adenylate cyclase-based bacterial two hybrid system (BACTH), available in Jeff Errington lab

• Antibody:

Labs working on this gene/protein

Jeff Errington, Newcastle University, UK homepage

References

Yoshikazu Kawai, Richard A Daniel, Jeffery Errington
Regulation of cell wall morphogenesis in Bacillus subtilis by recruitment of PBP1 to the MreB helix.
Mol Microbiol: 2009, 71(5);1131-44
[PubMed:19192185] [WorldCat.org] [DOI] (I p)

Hannes Hahne, Susanne Wolff, Michael Hecker, Dörte Becher
From complementarity to comprehensiveness--targeting the membrane proteome of growing Bacillus subtilis by divergent approaches.
Proteomics: 2008, 8(19);4123-36
[PubMed:18763711] [WorldCat.org] [DOI] (I p)

Dennis Claessen, Robyn Emmins, Leendert W Hamoen, Richard A Daniel, Jeff Errington, David H Edwards
Control of the cell elongation-division cycle by shuttling of PBP1 protein in Bacillus subtilis.
Mol Microbiol: 2008, 68(4);1029-46
[PubMed:18363795] [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)

Dirk-Jan Scheffers, Jeffery Errington
PBP1 is a component of the Bacillus subtilis cell division machinery.
J Bacteriol: 2004, 186(15);5153-6
[PubMed:15262952] [WorldCat.org] [DOI] (P p)

Dirk-Jan Scheffers, Laura J F Jones, Jeffery Errington
Several distinct localization patterns for penicillin-binding proteins in Bacillus subtilis.
Mol Microbiol: 2004, 51(3);749-64
[PubMed:14731276] [WorldCat.org] [DOI] (P p)

L B Pedersen, E R Angert, P Setlow
Septal localization of penicillin-binding protein 1 in Bacillus subtilis.
J Bacteriol: 1999, 181(10);3201-11
[PubMed:10322023] [WorldCat.org] [DOI] (P p)

T Murray, D L Popham, P Setlow
Bacillus subtilis cells lacking penicillin-binding protein 1 require increased levels of divalent cations for growth.
J Bacteriol: 1998, 180(17);4555-63
[PubMed:9721295] [WorldCat.org] [DOI] (P p)

D L Popham, P Setlow
Phenotypes of Bacillus subtilis mutants lacking multiple class A high-molecular-weight penicillin-binding proteins.
J Bacteriol: 1996, 178(7);2079-85
[PubMed:8606187] [WorldCat.org] [DOI] (P p)

D L Popham, P Setlow
Cloning, nucleotide sequence, and mutagenesis of the Bacillus subtilis ponA operon, which codes for penicillin-binding protein (PBP) 1 and a PBP-related factor.
J Bacteriol: 1995, 177(2);326-35
[PubMed:7814321] [WorldCat.org] [DOI] (P p)