YvrHa

• Description: co-sigma factor (with YvrI)
  
  

Gene name	yvrHa
Synonyms	rsoA
Essential	write here
Product	co-sigma factor (with YvrI)
Function	RNA polymerase sigma factor
MW, pI	9.5 kDa, 4.69
Gene length, protein length	240 bp, 79 amino acids
Immediate neighbours	yvrI, yvrHb
Gene sequence (+200bp)	Protein sequence
Genetic context

The gene

Basic information

• Locus tag:

Database entries

• DBTBS entry: no entry

• SubtiList entry: does not exist

Additional information

The sequence of the former yvrH gene was corrected, and does now contain two genes, yvrHa and yvrHb.

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: YvrI-YvrHa, YvrI-YvrHa PubMed

• Localization:

Database entries

• Structure:

• Swiss prot entry:

• KEGG entry: no entry

• E.C. number:

Expression and regulation

• Operon: yvrI-yvrHa PubMed

• Sigma factor: YvrI-YvrHa PubMed

• Regulation: induced by acidic growth conditions PubMed

• Regulatory mechanism: activated by YvrHb PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

Labs working on this gene/protein

John Helmann, Cornell University, USA Homepage

References

1. MacLellan et al. (2009) The YvrI alternative sigma factor is essential for acid stress induction of oxalate decarboxylase in Bacillus subtilis. J. Bacteriol. 191: 931-939. PubMed
2. Author1, Author2 & Author3 (year) Title Journal volume: page-page. PubMed