YabA

• Description: tethers DnaA to the polymerase-clamp protein DnaN
  
  

Gene name	yabA
Synonyms
Essential	no
Product	negative regulator of replication initiation
Function	positioning of DnaA
MW, pI	13 kDa, 6.065
Gene length, protein length	357 bp, 119 aa
Immediate neighbours	yaaT, yabB
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: BSU00330

Phenotypes of a mutant

strongly reduced growth rate in minimal medium PubMed

Database entries

• DBTBS entry: no entry

• SubtiList entry: [1]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: negative control of replication initiation PubMed

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

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains: leucine zipper

• Modification:

• Cofactor(s): Zn cluster

• Effectors of protein activity:

• Interactions: DnaA-YabA-DnaN PubMed

• Localization:

Database entries

• Structure:

• Swiss prot entry: P37542

• KEGG entry: [2]

• 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:

Labs working on this gene/protein

Philippe Noirot, Jouy-en-Josas, France homepage

References

Marie-Françoise Noirot-Gros, M Velten, M Yoshimura, S McGovern, T Morimoto, S D Ehrlich, N Ogasawara, P Polard, Philippe Noirot
Functional dissection of YabA, a negative regulator of DNA replication initiation in Bacillus subtilis.
Proc Natl Acad Sci U S A: 2006, 103(7);2368-73
[PubMed:16461910] [WorldCat.org] [DOI] (P p)

Marie-Françoise Noirot-Gros, Etienne Dervyn, Ling Juan Wu, Peggy Mervelet, Jeffery Errington, S Dusko Ehrlich, Philippe Noirot
An expanded view of bacterial DNA replication.
Proc Natl Acad Sci U S A: 2002, 99(12);8342-7
[PubMed:12060778] [WorldCat.org] [DOI] (P p)