treR

transcription repressor of the treP-treA-treR operon (GntR family)

locus: BSU07820

pI: 6.82

mw: 27.69 kDa

protein length: 238 aa

gene length: 714 bp

function: regulation of trehalose utilization

product: transcription repressor (GntR family)

essential: no

synonyms: yfxA

Genomic Context

categories

• [category|SW 2|Metabolism] → [category|SW 2.2|Carbon metabolism] → [category|SW 2.2.2|Utilization of specific carbon sources] → [category|SW 2.2.2.20|Utilization of trehalose]
• [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]

Gene

Coordinates: 853,556 → 854,272

The protein

Protein family

• [SW|GntR family] of transcription factors

Structure

• [PDB|2OGG] (effector binding domain) [Pubmed|17705272]

Expression and Regulation

Operons

• genes: [gene|BC568649A341B2E6341993EDA4BF52BDE18A3294|treP]-[gene|2EB9E0C492DF57DF683817E31D6DD34D7580E631|treA]-[gene|DC374E280C5A67C138D7EAC43AA66DA63CEF82B6|treR]
  description: [Pubmed|8755887]

  sigma factors

  • [protein|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA]: sigma factor, [Pubmed|8755887], in [regulon|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA regulon]

  regulatory mechanism

  • [protein|DC374E280C5A67C138D7EAC43AA66DA63CEF82B6|TreR]: repression, [Pubmed|8755887], in [regulon|DC374E280C5A67C138D7EAC43AA66DA63CEF82B6|TreR regulon]
  • [protein|E39AFEB7B7F28969A35C4B51CC6E7819F71C79D9|CcpA]: repression, [Pubmed|18977770], in [regulon|E39AFEB7B7F28969A35C4B51CC6E7819F71C79D9|CcpA regulon]
  • [protein|638D6D2FCCA2A167EFED05CB4E60C2D78D5319AE|PhoP]: activation, [Pubmed|21636651], in [regulon|638D6D2FCCA2A167EFED05CB4E60C2D78D5319AE|PhoP regulon]

  regulation

  • expressed under conditions of phosphate limitation ([protein|search|PhoP]) [Pubmed|21636651]

Biological materials

Mutant

• MGNA-C261 (treR::erm), available at the [https://shigen.nig.ac.jp/bsub/resource/strainGeneDisrupted/detail/2259 NBRP B. subtilis, Japan]

References

• 8755887,9829827,8917076,17705272,18977770