PonA

• Description: class A penicillin-binding protein 1A/1B, contributes to cell elongation and cell division
  
  

Gene name	ponA
Synonyms
Essential	no
Product	penicillin-binding protein 1A/1B
Function	bifunctional glucosyltransferase/ transpeptidase
Gene expression levels in SubtiExpress: ponA
Interactions involving this protein in SubtInteract: PonA
Metabolic function and regulation of this protein in SubtiPathways: PonA
MW, pI	99 kDa, 4.752
Gene length, protein length	2742 bp, 914 aa
Immediate neighbours	recU, ypoC
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

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

This gene is a member of the following regulons

SigM regulon

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
• deletion of ponA restores growth and normal shape of a yvcK mutant on gluconeogenic carbon sources PubMed

Database entries

• BsubCyc: BSU22320

• 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:

• Cofactors:

• Effectors of protein activity:

• Interactions:
  • EzrA-PonA PubMed
  • GpsB-PonA PubMed
  • MreB-PonA PubMed

• Localization:
  • membrane associated PubMed
  • localizes to the spore septum during sporulation PubMed
  • localizes to the vegetative septum PubMed, this depends on YvcK PubMed

Database entries

• BsubCyc: BSU22320

• Structure:

• UniProt: P39793

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: recU-ponA PubMed

• Expression browser: ponA PubMed

• Sigma factor: SigA PubMed, 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

Original publications

Elitza I Tocheva, Javier López-Garrido, H Velocity Hughes, Jennifer Fredlund, Erkin Kuru, Michael S Vannieuwenhze, Yves V Brun, Kit Pogliano, Grant J Jensen
Peptidoglycan transformations during Bacillus subtilis sporulation.
Mol Microbiol: 2013, 88(4);673-86
[PubMed:23531131] [WorldCat.org] [DOI] (I p)

Elodie Foulquier, Frédérique Pompeo, Alain Bernadac, Leon Espinosa, Anne Galinier
The YvcK protein is required for morphogenesis via localization of PBP1 under gluconeogenic growth conditions in Bacillus subtilis.
Mol Microbiol: 2011, 80(2);309-18
[PubMed:21320184] [WorldCat.org] [DOI] (I p)

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)