DnaN

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  • Description: DNA polymerase III (beta subunit), beta clamp, part of the replisome, also involved in DNA mismatch repair

Gene name dnaN
Synonyms dnaG, dnaK
Essential yes PubMed
Product DNA polymerase III
(beta subunit), beta clamp
Function DNA replication, DNA repair
MW, pI 41 kDa, 4.718
Gene length, protein length 1134 bp, 378 aa
Immediate neighbours dnaA, yaaA
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




The gene

Basic information

  • Locus tag: BSU00020

Phenotypes of a mutant

essential PubMed

Database entries

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

Additional information

Categories containing this gene/protein

DNA replication, essential genes

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: Deoxynucleoside triphosphate + DNA(n) = diphosphate + DNA(n+1) (according to Swiss-Prot)
  • Protein family:
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:
  • Localization: cytoplasm (according to Swiss-Prot), nucleoid (mid-cell spot) PubMed PubMed

Database entries

  • Structure:
  • KEGG entry: [3]

Additional information

Expression and regulation

  • Regulatory mechanism:
  • Additional information:

Biological materials

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

Labs working on this gene/protein

Philippe Noirot, Jouy-en-Josas, France homepage

Your additional remarks

References

Reviews

Original publications

Peter T McKenney, Adam Driks, Haig A Eskandarian, Paul Grabowski, Jonathan Guberman, Katherine H Wang, Zemer Gitai, Patrick Eichenberger
A distance-weighted interaction map reveals a previously uncharacterized layer of the Bacillus subtilis spore coat.
Curr Biol: 2010, 20(10);934-8
[PubMed:20451384] [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)

Alexi I Goranov, Adam M Breier, Houra Merrikh, Alan D Grossman
YabA of Bacillus subtilis controls DnaA-mediated replication initiation but not the transcriptional response to replication stress.
Mol Microbiol: 2009, 74(2);454-66
[PubMed:19737352] [WorldCat.org] [DOI] (I p)

Clarisse Defeu Soufo, Hervé Joël Defeu Soufo, Marie-Françoise Noirot-Gros, Astrid Steindorf, Philippe Noirot, Peter L Graumann
Cell-cycle-dependent spatial sequestration of the DnaA replication initiator protein in Bacillus subtilis.
Dev Cell: 2008, 15(6);935-41
[PubMed:19081080] [WorldCat.org] [DOI] (I p)

Melanie B Berkmen, Alan D Grossman
Spatial and temporal organization of the Bacillus subtilis replication cycle.
Mol Microbiol: 2006, 62(1);57-71
[PubMed:16942601] [WorldCat.org] [DOI] (P p)

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)

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)

Stéphane Duigou, S Dusko Ehrlich, Philippe Noirot, Marie-Françoise Noirot-Gros
DNA polymerase I acts in translesion synthesis mediated by the Y-polymerases in Bacillus subtilis.
Mol Microbiol: 2005, 57(3);678-90
[PubMed:16045613] [WorldCat.org] [DOI] (P p)

Stéphane Duigou, S Dusko Ehrlich, Philippe Noirot, Marie-Françoise Noirot-Gros
Distinctive genetic features exhibited by the Y-family DNA polymerases in Bacillus subtilis.
Mol Microbiol: 2004, 54(2);439-51
[PubMed:15469515] [WorldCat.org] [DOI] (P p)

Virginie Molle, Masaya Fujita, Shane T Jensen, Patrick Eichenberger, José E González-Pastor, Jun S Liu, Richard Losick
The Spo0A regulon of Bacillus subtilis.
Mol Microbiol: 2003, 50(5);1683-701
[PubMed:14651647] [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)

Y Ogura, Y Imai, N Ogasawara, S Moriya
Autoregulation of the dnaA-dnaN operon and effects of DnaA protein levels on replication initiation in Bacillus subtilis.
J Bacteriol: 2001, 183(13);3833-41
[PubMed:11395445] [WorldCat.org] [DOI] (P p)

K P Lemon, A D Grossman
Localization of bacterial DNA polymerase: evidence for a factory model of replication.
Science: 1998, 282(5393);1516-9
[PubMed:9822387] [WorldCat.org] [DOI] (P p)

T Fukuoka, S Moriya, H Yoshikawa, N Ogasawara
Purification and characterization of an initiation protein for chromosomal replication, DnaA, in Bacillus subtilis.
J Biochem: 1990, 107(5);732-9
[PubMed:2168872] [WorldCat.org] [DOI] (P p)

N Ogasawara, S Moriya, H Yoshikawa
Structure and function of the region of the replication origin of the Bacillus subtilis chromosome. IV. Transcription of the oriC region and expression of DNA gyrase genes and other open reading frames.
Nucleic Acids Res: 1985, 13(7);2267-79
[PubMed:2987848] [WorldCat.org] [DOI] (P p)

Additional publications: PubMed

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