SigM

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Gene name sigM
Synonyms yhdM
Essential no
Product RNA polymerase ECF-type sigma factor SigM
Function resistance against cell envelope stress,
oxidative stress and salt stress
Interactions involving this protein in SubtInteract: SigM
MW, pI 19 kDa, 6.77
Gene length, protein length 489 bp, 163 aa
Immediate neighbours yhdL, yhdN
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
SigM context.gif
This image was kindly provided by SubtiList




Categories containing this gene/protein

transcription, sigma factors and their control, cell envelope stress proteins (controlled by SigM, V, W, X, Y)

This gene is a member of the following regulons

SigM regulon

The SigM regulon

The gene

Basic information

  • Locus tag: BSU09520

Phenotypes of a mutant

  • SigM is essential for growth and survival in nutrient broth (NB) containing 1.4 M NaCl PubMed
  • sigM mutants form aberrantly shaped cells, which swell and lyse spontaneously during growth in NB medium containing increased levels (0.35-0.7 M) of a wide range of different salts PubMed

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
  • Protein family: sigma-70 factor family, ECF subfamily (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

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

Database entries

  • Structure:
  • KEGG entry: [3]
  • E.C. number:

Additional information

Expression and regulation

  • Regulatory mechanism:
  • 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

Your additional remarks

References

Additional publications: PubMed

The SigM regulon

Other original publications