DnaA

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  • Description: AAA+ ATPase, replication initiation protein

Gene name dnaA
Synonyms dnaH, dnaJ, dnaK
Essential yes PubMed
Product replication initiation protein
Function DNA replication
Interactions involving this protein in SubtInteract: DnaA
MW, pI 50 kDa, 6.035
Gene length, protein length 1338 bp, 446 aa
Immediate neighbours rpmH, dnaN
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
DnaA dnaN yaaA recF yaaB gyrB context.png
This image was kindly provided by SubtiList
Expression at a glance   PubMed
DnaA expression.png





















Categories containing this gene/protein

DNA replication, essential genes

This gene is a member of the following regulons

Spo0A regulon

The DnaA regulon

The gene

Basic information

  • Locus tag: BSU00010

Phenotypes of a mutant

essential PubMed

Database entries

  • DBTBS entry: [1]
  • SubtiList entry: [2]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
    • binds multiple regions in the oriC region, required for recruitment of proteins needed to load the replicative helicase DnaC
  • Protein family: dnaA family (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains: AAA+ domain
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:
    • SirA displaces DnaA from the replication origin PubMed
    • YabA inhibits co-operative binding of DnaA to the oriC DNA PubMed
    • DnaA helix formation (and thus replication initiation) is inhibited by the interaction of Soj with the AAA+ domain of DnaA PubMed
    • interaction with DnaD inhibits the ability of DnaA to cooperatively bind to DNA PubMed

Database entries

  • Structure:
  • KEGG entry: [3]
  • E.C. number:

Additional information

Expression and regulation

  • Regulatory mechanism:
  • Additional information:

Biological materials

  • Mutant:
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Your additional remarks

References

Reviews


The DnaA regulon

Original publications

Additional publications: PubMed