YkoV

• Description: DNA-end-binding protein Ku, recruits LigD to DNA ends, confers dry-heat resistance to dormant spores PubMed

Gene name	ykoV
Synonyms
Essential	no
Product	DNA-end-binding protein Ku
Function	non-homologous end joining DNA repair, repair of gapped DNA substrates
Gene expression levels in SubtiExpress: ykoV
Interactions involving this protein in SubtInteract: YkoV
MW, pI	34 kDa, 7.213
Gene length, protein length	933 bp, 311 aa
Immediate neighbours	ligD, ykoW
Sequences	Protein DNA DNA_with_flanks
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

DNA repair/ recombination, sporulation proteins

This gene is a member of the following regulons

SigG regulon, SpoVT regulon

The gene

Basic information

• Locus tag: BSU13410

Phenotypes of a mutant

• sensitivity to ionizing radiation in the stationary phase PubMed
• sensitivity of spores to several DNA-damaging treatments known to cause double strand breaks, such as UV-ray, X-ray, ultrahigh vacuum and wet heat PubMed

Database entries

• DBTBS entry: no entry

• SubtiList entry: [1]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family:

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:
  • YkoV-LigD PubMed

• Localization:
  • associates with the nucleoid during germination PubMed

Database entries

• Structure:

• UniProt: O34859

• KEGG entry: [2]

• E.C. number:

Expression and regulation

• Operon: ykoV-ligD PubMed

• Expression browser: ykoV PubMed

• Sigma factor: SigG PubMed

• Regulation: expressed during sporulation in the forespore (SigG, SpoVT) PubMed

• Regulatory mechanism:
  • SpoVT: transcription activation PubMed

• Additional information:

Biological materials

• Mutant:
  • BP141 (ykoVU::kan) available in Fabian Commichau's lab
  • BP142 (ykoWVU::kan) available in Fabian Commichau's lab

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Reviews

Stewart Shuman, Michael S Glickman
Bacterial DNA repair by non-homologous end joining.
Nat Rev Microbiol: 2007, 5(11);852-61
[PubMed:17938628] [WorldCat.org] [DOI] (I p)

A J Doherty, S P Jackson
DNA repair: how Ku makes ends meet.
Curr Biol: 2001, 11(22);R920-4
[PubMed:11719239] [WorldCat.org] [DOI] (P p)

J M Jones, M Gellert, W Yang
A Ku bridge over broken DNA.
Structure: 2001, 9(10);881-4
[PubMed:11591342] [WorldCat.org] [DOI] (P p)