opuBB [2017-07-25 15:46:56]

choline ABC transporter (membrane protein)

locus: BSU33720

pI: 9.74

mw: 23.02 kDa

protein length: 217 aa

gene length: 651 bp

function: compatible solute transport

product: choline ABC transporter (membrane protein)

essential: no

synonyms: proW

Genomic Context

categories

• [category|SW 1|Cellular processes] → [category|SW 1.2|Transporters] → [category|SW 1.2.1|ABC transporters] → [category|SW 1.2.1.1|Importers] → [category|SW 1.2.1.1.4|Uptake of compatible solutes for osmoprotection]
• [category|SW 4|Lifestyles] → [category|SW 4.3|Coping with stress] → [category|SW 4.3.6|Coping with hyper-osmotic stress]
• [category|SW 6|Groups of genes] → [category|SW 6.2|Membrane proteins]

Gene

Coordinates: 3,461,435 → 3,462,088

The protein

Protein family

• CysTW subfamily (according to Swiss-Prot)

Paralogous protein(s)

• [protein|83C45215AC86FACB08CF36EB5F9E6B076D7D0F0F|OpuCB]

[SW|Localization]

• cell membrane [Pubmed|10092453]

Expression and Regulation

Operons

• genes: [gene|3F502A4DCB1DAD7C3F968465B13C35213240515B|opuBA]-[gene|70B45E7428DB1F6AEF7D2FE3062CC86BE96674FC|opuBB]-[gene|C48798FE13B1521236F5BC5786B9A02D7BC9A336|opuBC]-[gene|1532EC3D741C5AB3D0B642741218FAE00AD460FA|opuBD]
  description: [Pubmed|10216873]

  sigma factors

  • [protein|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA]: sigma factor, [Pubmed|10216873], in [regulon|360F48D576DE950DF79C1A2677B7A35A8D8CC30C|SigA regulon]

  regulatory mechanism

  • [protein|5C398C1181CE25CAC079AFBA5871C0B72AE1AA96|GbsR]: repression, (transcriptional roadblock) [Pubmed|32849357,22408163], in [regulon|5C398C1181CE25CAC079AFBA5871C0B72AE1AA96|GbsR regulon]
  • [protein|9F32E96AC9C32832C2F10FB125DDDC50EC9B546B|OpcR]: repression, (sterical interference with RNA polymerase access) [Pubmed|32849357,23960087], in [regulon|9F32E96AC9C32832C2F10FB125DDDC50EC9B546B|OpcR regulon]
  • [protein|6AF1CB8998BE9C71DF4F1201A7F74FF7E75CB799|RemA]: activation, [Pubmed|23646920], in [regulon|6AF1CB8998BE9C71DF4F1201A7F74FF7E75CB799|RemA regulon]

  regulation

  • induced by choline ([protein|5C398C1181CE25CAC079AFBA5871C0B72AE1AA96|GbsR]) [Pubmed|22408163]
  • expression increases with increasing salinity [Pubmed|32849357]

  additional information

  • [gene|6FCF6F71C5A8B2345F42BD0C3345C520FD40358B|S1290] acts as [SW|ncRNA|antisense RNA] for the [gene|3F502A4DCB1DAD7C3F968465B13C35213240515B|opuBA]-[gene|70B45E7428DB1F6AEF7D2FE3062CC86BE96674FC|opuBB]-[gene|C48798FE13B1521236F5BC5786B9A02D7BC9A336|opuBC]-[gene|1532EC3D741C5AB3D0B642741218FAE00AD460FA|opuBD] operon [PubMed|,32373088,20525796]
  • expression starts with a delay after osmotic upshift due to transcriptional interference of [SW|RNA polymerase] complexes driving synthesis of the converging opuB and [gene|6FCF6F71C5A8B2345F42BD0C3345C520FD40358B|S1290] mRNAs [pubmed|32373088]

References

Reviews

• 27935846

Original publications

• 10092453,9925583,10216873,23646920,21296969,23960087,22408163