YtvA

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  • Description: positive regulation of SigB activity under conditions of blue light

Gene name ytvA
Synonyms
Essential no
Product blue light receptor, flavoprotein
Function control of SigB activity
Gene expression levels in SubtiExpress: ytvA
MW, pI 29 kDa, 4.69
Gene length, protein length 783 bp, 261 aa
Immediate neighbours ytvB, yttB
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
YtvA context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
YtvA expression.png
























Categories containing this gene/protein

sigma factors and their control

This gene is a member of the following regulons

Spx regulon

The gene

Basic information

  • Locus tag: BSU30340

Phenotypes of a mutant

Database entries

  • DBTBS entry: no entry
  • SubtiList entry: [1]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
  • Protein family:

Extended information on the protein

  • Kinetic information:
  • Domains: LOV domain, STAS domain
  • Modification:
  • Cofactor(s): FMN
  • Effectors of protein activity:
    • YtvA-dependent light activation of the SigB stress response is positively and negatively regulated by RsbRA and RsbRB, respectively PubMed
  • Interactions: forms dimers PubMed
  • Localization:

Database entries

  • KEGG entry: [2]
  • E.C. number:

Additional information

Expression and regulation

  • Operon:
  • Sigma factor:
  • Regulation:
    • induced under conditions of disulfide stress (Spx) PubMed
  • 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

Additional reviews: PubMed

Erin B Purcell, Sean Crosson
Photoregulation in prokaryotes.
Curr Opin Microbiol: 2008, 11(2);168-78
[PubMed:18400553] [WorldCat.org] [DOI] (P p)


Original publications

Additional publications: PubMed