PbpI

• Description: sporulation-specific penicillin-binding protein 4b
  
  

Gene name	pbpI
Synonyms	yrrR
Essential	no
Product	penicillin-binding protein 4b
Function	unknown
MW, pI	65 kDa, 9.012
Gene length, protein length	1752 bp, 584 aa
Immediate neighbours	yrrS, greA
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

Categories containing this gene/protein

cell wall synthesis, sporulation proteins

This gene is a member of the following regulons

SigE regulon, SigF regulon

The gene

Basic information

• Locus tag: BSU27310

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

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

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:
  • may be part of the cell wall biosynthetic complex PubMed

• Localization:

Database entries

• Structure:

• UniProt: O32032

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon: pbpI-yrrS (according to DBTBS)

• Sigma factor: SigE PubMed, SigF PubMed

• Regulation:
  • expressed early during sporulation in both cell compartments (SigE PubMed, SigF PubMed)

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Stephanie T Wang, Barbara Setlow, Erin M Conlon, Jessica L Lyon, Daisuke Imamura, Tsutomu Sato, Peter Setlow, Richard Losick, Patrick Eichenberger
The forespore line of gene expression in Bacillus subtilis.
J Mol Biol: 2006, 358(1);16-37
[PubMed:16497325] [WorldCat.org] [DOI] (P p)

Dirk-Jan Scheffers
Dynamic localization of penicillin-binding proteins during spore development in Bacillus subtilis.
Microbiology (Reading): 2005, 151(Pt 3);999-1012
[PubMed:15758244] [WorldCat.org] [DOI] (P p)

Leif Steil, Mónica Serrano, Adriano O Henriques, Uwe Völker
Genome-wide analysis of temporally regulated and compartment-specific gene expression in sporulating cells of Bacillus subtilis.
Microbiology (Reading): 2005, 151(Pt 2);399-420
[PubMed:15699190] [WorldCat.org] [DOI] (P p)

Yuping Wei, Derrell C McPherson, David L Popham
A mother cell-specific class B penicillin-binding protein, PBP4b, in Bacillus subtilis.
J Bacteriol: 2004, 186(1);258-61
[PubMed:14679248] [WorldCat.org] [DOI] (P p)