DnaD

• Description: initiation of chromosome replication, part of the replisome
  
  

Gene name	dnaD
Synonyms
Essential	yes PubMed
Product	initiation of chromosome replication
Function	DNA replication
Interactions involving this protein in SubtInteract: DnaD
MW, pI	27 kDa, 7.174
Gene length, protein length	696 bp, 232 aa
Immediate neighbours	nth, asnS
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

DNA replication, essential genes

The gene

Basic information

• Locus tag: BSU22350

Phenotypes of a mutant

essential PubMed

Database entries

• DBTBS entry: no entry

• SubtiList entry: [1]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:
  • DnaD-mediated untwisting of the DNA stimulates Nth endonuclease activity at AP sites PubMed
  • required for the assembly of the replicative helicase DnaC at the origin of replication PubMed
  • interaction with DnaA inhibits the ability of DnaA to bind cooperatively to DNA PubMed

• Protein family: DNA polymerase type-Y family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:
  • DnaD-PriA PubMed
  • DnaD-DnaA PubMed
  • DnaD-DnaB PubMed
  • part of the replisome: PolC-HolA-HolB-DnaX-DnaN-DnaG-DnaC-DnaI-DnaD-SsbA-DnaE-PriA-DnaB PubMed
  • part of the primosome: DnaA-DnaG-DnaC-DnaI-DnaD-DnaB PubMed

• Localization: Membrane-proximal (Spotty) PubMed

Database entries

• Structure: 2C79 (N-terminal domain)

• UniProt: P39787

• KEGG entry: [2]

• E.C. number:

Expression and regulation

Operon: dnaD-nth PubMed 

• Expression browser: dnaD PubMed

• Sigma factor:

• Regulation:
  • constitutively expressed PubMed
  • there are about 3,000 to 5,000 molecules of DnaD per cell PubMed
  • expression is transiently increased after treatment with H2O2 PubMed

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Reviews

Geoffrey S Briggs, Wiep Klaas Smits, Panos Soultanas
Chromosomal replication initiation machinery of low-G+C-content Firmicutes.
J Bacteriol: 2012, 194(19);5162-70
[PubMed:22797751] [WorldCat.org] [DOI] (I p)

Original publications

Carla Y Bonilla, Alan D Grossman
The primosomal protein DnaD inhibits cooperative DNA binding by the replication initiator DnaA in Bacillus subtilis.
J Bacteriol: 2012, 194(18);5110-7
[PubMed:22821970] [WorldCat.org] [DOI] (I p)

Christopher Collier, Cristina Machón, Geoff S Briggs, Wiep Klaas Smits, Panos Soultanas
Untwisting of the DNA helix stimulates the endonuclease activity of Bacillus subtilis Nth at AP sites.
Nucleic Acids Res: 2012, 40(2);739-50
[PubMed:21954439] [WorldCat.org] [DOI] (I p)

Wiep Klaas Smits, Houra Merrikh, Carla Yaneth Bonilla, Alan D Grossman
Primosomal proteins DnaD and DnaB are recruited to chromosomal regions bound by DnaA in Bacillus subtilis.
J Bacteriol: 2011, 193(3);640-8
[PubMed:21097613] [WorldCat.org] [DOI] (I p)

Farhat Y Marston, William H Grainger, Wiep Klaas Smits, Nicholas H Hopcroft, Matthew Green, Andrea M Hounslow, Alan D Grossman, C Jeremy Craven, Panos Soultanas
When simple sequence comparison fails: the cryptic case of the shared domains of the bacterial replication initiation proteins DnaB and DnaD.
Nucleic Acids Res: 2010, 38(20);6930-42
[PubMed:20587500] [WorldCat.org] [DOI] (I p)

Glenn M Sanders, H Garry Dallmann, Charles S McHenry
Reconstitution of the B. subtilis replisome with 13 proteins including two distinct replicases.
Mol Cell: 2010, 37(2);273-81
[PubMed:20122408] [WorldCat.org] [DOI] (I p)

Wiep Klaas Smits, Alexi I Goranov, Alan D Grossman
Ordered association of helicase loader proteins with the Bacillus subtilis origin of replication in vivo.
Mol Microbiol: 2010, 75(2);452-61
[PubMed:19968790] [WorldCat.org] [DOI] (I p)

Megan E Rokop, Alan D Grossman
Intragenic and extragenic suppressors of temperature sensitive mutations in the replication initiation genes dnaD and dnaB of Bacillus subtilis.
PLoS One: 2009, 4(8);e6774
[PubMed:19707554] [WorldCat.org] [DOI] (I e)

Jean-Christophe Meile, Ling Juan Wu, S Dusko Ehrlich, Jeff Errington, Philippe Noirot
Systematic localisation of proteins fused to the green fluorescent protein in Bacillus subtilis: identification of new proteins at the DNA replication factory.
Proteomics: 2006, 6(7);2135-46
[PubMed:16479537] [WorldCat.org] [DOI] (P p)

Claude Bruand, Marion Velten, Stephen McGovern, Stéphanie Marsin, Céline Sérèna, S Dusko Ehrlich, Patrice Polard
Functional interplay between the Bacillus subtilis DnaD and DnaB proteins essential for initiation and re-initiation of DNA replication.
Mol Microbiol: 2005, 55(4);1138-50
[PubMed:15686560] [WorldCat.org] [DOI] (P p)

Megan E Rokop, Jennifer M Auchtung, Alan D Grossman
Control of DNA replication initiation by recruitment of an essential initiation protein to the membrane of Bacillus subtilis.
Mol Microbiol: 2004, 52(6);1757-67
[PubMed:15186423] [WorldCat.org] [DOI] (P p)

C Bruand, M Farache, S McGovern, S D Ehrlich, P Polard
DnaB, DnaD and DnaI proteins are components of the Bacillus subtilis replication restart primosome.
Mol Microbiol: 2001, 42(1);245-55
[PubMed:11679082] [WorldCat.org] [DOI] (P p)

S Marsin, S McGovern, S D Ehrlich, C Bruand, P Polard
Early steps of Bacillus subtilis primosome assembly.
J Biol Chem: 2001, 276(49);45818-25
[PubMed:11585815] [WorldCat.org] [DOI] (P p)

D Ishigo-Oka, N Ogasawara, S Moriya
DnaD protein of Bacillus subtilis interacts with DnaA, the initiator protein of replication.
J Bacteriol: 2001, 183(6);2148-50
[PubMed:11222620] [WorldCat.org] [DOI] (P p)