MgsR

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  • Description: transcriptional regulator of a subset of the SigB general stress regulon, required for protection against oxidative stress

Gene name mgsR
Synonyms yqgZ
Essential no
Product transcriptional regulator
Function controls a subset of general stress genes
Gene expression levels in SubtiExpress: mgsR
Interactions involving this protein in SubtInteract: MgsR
MW, pI 14 kDa, 9.28
Gene length, protein length 378 bp, 126 aa
Immediate neighbours trnSL-Gln1, yqgY
Sequences Protein DNA DNA_with_flanks
Genetic context
YqgZ context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
MgsR expression.png

















Categories containing this gene/protein

transcription factors and their control, general stress proteins (controlled by SigB), resistance against oxidative and electrophile stress

This gene is a member of the following regulons

SigB regulon, MgsR regulon

The gene

Basic information

  • Locus tag: BSU24770

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: exerts a positive or negative effect on the expression of 53 or 18 stress genes, respectively PubMed
  • Protein family: arsC family (according to Swiss-Prot) Arsenate Reductase (ArsC) family, Spx subfamily
  • Paralogous protein(s): Spx

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
    • MgsR is subject to post-translational redox-sensitive activation by intramolecular disulfide bond formation in response to ethanol stress PubMed
  • Cofactor(s):
  • Effectors of protein activity:

Database entries

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

Additional information

Expression and regulation

  • Regulation:
  • Regulatory mechanism:
    • MgsR: transcription activation PubMed
  • Additional information:
    • MgsR is subject to post-translational redox-sensitive activation by intramolecular disulfide bond formation in response to ethanol stress PubMed
    • MgsR is subject to rapid proteolytic degradation by ClpX-ClpP and ClpC-ClpP PubMed

Biological materials

  • Mutant:
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Your additional remarks

References