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mgsR [2020-04-04 15:03:30]
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mgsR [2020-04-04 15:03:30]

transcriptional regulator of a subset of the [protein|580011DE5DC40EC9E7E0512791D328FAA010DCB8|SigB] general stress regulon, required for protection against oxidative stress
locus
BSU_24770
pI
9.28
mw
14.68 kDa
protein length
126 aa Sequence Blast
gene length
381 bp Sequence Blast
function
controls a subset of general stress genes
product
transcriptional regulator
essential
no
synonyms
yqgZ
Outlinks
KEGGBsubCycSubtiListUniProtExpression Browser

Genomic Context

      

categories

  • [category|SW 3|Information processing] → [category|SW 3.4|Regulation of gene expression] → [category|SW 3.4.2|Transcription factors and their control] → [category|SW 3.4.2.5|Transcription factors/ other]
  • [category|SW 4|Lifestyles] → [category|SW 4.3|Coping with stress] → [category|SW 4.3.1|General stress proteins (controlled by SigB)]
  • [category|SW 4|Lifestyles] → [category|SW 4.3|Coping with stress] → [category|SW 4.3.8|Resistance against oxidative and electrophile stress]
  • [category|SW 6|Groups of genes] → [category|SW 6.4|Phosphoproteins] → [category|SW 6.4.1|Phosphorylation on an Arg residue]

    • Gene

    Coordinates
    2,564,026 2,564,406

    The protein

    Catalyzed reaction/ biological activity

  • exerts a positive or negative effect on the expression of 53 or 18 stress genes, respectively [Pubmed|18643936]

    • Protein family

  • ArsC family (with [protein|2C6386E9A63F410558D168798D077DF91590F454|Spx] and [protein|5278DD377B110CC14E239B9428F1985B472EEDF5|YusI], according to UniProt)

    • Paralogous protein(s)

  • [protein|2C6386E9A63F410558D168798D077DF91590F454|Spx]

    • Modification

  • [protein|6A38DAA96F7BBF31FD8A4018A8CA7A72F3C28F79|MgsR] is subject to post-translational redox-sensitive activation by intramolecular disulfide bond formation in response to ethanol stress [Pubmed|22812682]

    • Structure

  • [PDB|3L78] (from Streptococcus mutans, 42% identity)

    • Expression and Regulation

    Operons

    genes
    [gene|6A38DAA96F7BBF31FD8A4018A8CA7A72F3C28F79|mgsR]
    description
    [Pubmed|18643936]

    sigma factors

  • [protein|580011DE5DC40EC9E7E0512791D328FAA010DCB8|SigB]: sigma factor, [Pubmed|18643936], in [regulon|580011DE5DC40EC9E7E0512791D328FAA010DCB8|SigB regulon]

    • regulatory mechanism

  • [protein|6A38DAA96F7BBF31FD8A4018A8CA7A72F3C28F79|MgsR]: activation, in [regulon|6A38DAA96F7BBF31FD8A4018A8CA7A72F3C28F79|MgsR regulon]

    • regulation

  • induced by stress ([protein|search|SigB]) [Pubmed|15805528,18643936]

    • additional information

  • [protein|search|MgsR] is subject to post-translational redox-sensitive activation by intramolecular disulfide bond formation in response to ethanol stress [PubMed|22812682]
    • view in new tab

    Biological materials

    Mutant

  • MGNA-C476 (yqgZ::erm), available at the [https://shigen.nig.ac.jp/bsub/resource/strainGeneDisrupted/detail/2474 NBRP B. subtilis, Japan]
  • BKE24770 ([gene|6A38DAA96F7BBF31FD8A4018A8CA7A72F3C28F79|mgsR]::erm trpC2) available at [http://www.bgsc.org/getdetail.php?bgscid=BKE24770 BGSC], [Pubmed|28189581], upstream reverse: _UP1_CATTCGTTTTTTCCTCCTCA, downstream forward: _UP4_TGATGAAAAACCGAAGATCC
  • BKK24770 ([gene|6A38DAA96F7BBF31FD8A4018A8CA7A72F3C28F79|mgsR]::kan trpC2) available at [http://www.bgsc.org/getdetail.php?bgscid=BKK24770 BGSC], [Pubmed|28189581], upstream reverse: _UP1_CATTCGTTTTTTCCTCCTCA, downstream forward: _UP4_TGATGAAAAACCGAAGATCC

    • References

  • 18643936,12107147,15805528,18643936,22812682,22582280