Easter egg

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Gene name sr1
Synonyms ykzW
Essential no
Product small regulatory RNA/ regulatory peptide
Function control of arginine metabolism and glycolysis
MW, pI 4.4 kDa, 3.89
Gene length, protein length 205 bp (RNA), 120 bp (ORF), 39 aa
Immediate neighbours slp, speA
Gene sequence
Genetic context
Sr1 context.gif





The gene

Basic information

  • Locus tag:

Phenotypes of a mutant

Database entries

  • DBTBS entry: no entry

Additional information

Located between the slp and speA genes.


Categories containing this gene/protein

biosynthesis/ acquisition of amino acids, utilization of amino acids, ncRNA

The RNA

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: hybridizes to ahrC mRNA and inhibits AhrC translation. PubMed

Extended information on the RNA

  • Kinetic information
  • Localization

Database entries

  • Structure:

Additional information

Information on the structure of the RNA can be found in Heidrich et al., 2006

The peptide

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: the peptide controls the stability of the cggR-gapA mRNA PubMed
  • Protein family: the peptide is conserved in bacilli
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:
  • Localization:

Database entries

  • Structure:
  • KEGG entry:
  • E.C. number:

Additional information

Expression and regulation

  • Regulation: Repressed in the presence of glucose by CcpN PubMed
  • Regulatory mechanism: transcription repression PubMed
  • Additional information:

Biological materials

  • Mutant: 168 sr1::cat, available in Brantl lab
  • Expression vector:
  • lacZ fusion:

Labs working on this gene/protein

Sabine Brantl, Bacterial Genetics, Friedrich-Schiller-University of Jena, Germany homepage

Your additional remarks

References