SsbB

• Description: single-strand DNA-binding protein
  
  

Gene name	ssbB
Synonyms	ywpH
Essential	no
Product	single-strand DNA-binding protein
Function	required for efficient genetic transformation
MW, pI	12 kDa, 6.876
Gene length, protein length	339 bp, 113 aa
Immediate neighbours	glcR, ywpG
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: BSU36310

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family:

• Paralogous protein(s): Ssb

Extended information on the protein

• Kinetic information:

• Domains:

• Modification: phosphorylated on Tyr by PtkA, dephosphorylated by PtpZ PubMed

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization: localizes to cell poles in competent cells PubMed

Database entries

• Structure:

• Swiss prot entry:

• KEGG entry: [3]

• E.C. number:

Expression and regulation

• Operon:

• Sigma factor:

• Regulation:

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Naomi Kramer, Jeanette Hahn, David Dubnau
Multiple interactions among the competence proteins of Bacillus subtilis.
Mol Microbiol: 2007, 65(2);454-64
[PubMed:17630974] [WorldCat.org] [DOI] (P p)

Ivan Mijakovic, Dina Petranovic, Boris Macek, Tina Cepo, Matthias Mann, Julian Davies, Peter R Jensen, Dusica Vujaklija
Bacterial single-stranded DNA-binding proteins are phosphorylated on tyrosine.
Nucleic Acids Res: 2006, 34(5);1588-96
[PubMed:16549871] [WorldCat.org] [DOI] (I e)

Jeanette Hahn, Berenike Maier, Bert Jan Haijema, Michael Sheetz, David Dubnau
Transformation proteins and DNA uptake localize to the cell poles in Bacillus subtilis.
Cell: 2005, 122(1);59-71
[PubMed:16009133] [WorldCat.org] [DOI] (P p)