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brnQ [Mon Aug 31 2015 13:55:50 GMT+0200 (CEST)]
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brnQ [Mon Aug 31 2015 13:55:50 GMT+0200 (CEST)]

branched-chain amino acid transporter
locus
BSU26690
pI
9.78
mw
46.00 kDa
function
uptake of valine and isoleucine
product
branched-chain amino acid transporter
essential
no
synonyms
yrdJ

Genomic Context

      

categories

  • [category|SW 1|Cellular processes] → [category|SW 1.2|Transporters] → [category|SW 1.2.4|Transporters/ other] → [category|SW 1.2.4.1|Amino acid transporters] → [category|SW 1.2.4.1.5|BCAA transporters]
  • [category|SW 2|Metabolism] → [category|SW 2.3|Amino acid/ nitrogen metabolism] → [category|SW 2.3.1|Biosynthesis/ acquisition of amino acids] → [category|SW 2.3.1.12|Biosynthesis/ acquisition of branched-chain amino acids]
  • [category|SW 6|Groups of genes] → [category|SW 6.2|Membrane proteins]
  • syns
    yrdJ

    [SW|Categories] containing this gene/protein

  • [SW|transporters/ other], [SW|biosynthesis/ acquisition of amino acids], [SW|membrane proteins]
  • This gene is a member of the following [SW|regulons]

  • [SW|AzlB regulon]
  • Gene

    Phenotypes of a mutant

  • no phenotype for the single mutant, the triple ''[protein|search|bcaP] [protein|search|brnQ] [protein|search|braB]'' mutant is strongly impaired in the transport of isoleucine and valine at low concentrations [Pubmed|25645558]
  • The protein

    Catalyzed reaction/ biological activity

  • high affinity uptake of isoleucine and valine [Pubmed|25645558]
  • Protein family

  • branched chain amino acid transporter family (according to Swiss-Prot)
  • Paralogous protein(s)

  • [protein|search|BraB]
  • Expression and Regulation

    Operon

  • ''[protein|search|azlB]-[protein|search|azlC]-[protein|search|azlD]-[protein|search|brnQ]-[protein|search|yrdK]'' [Pubmed|9287000]
  • Regulation

  • repressed by [protein|search|AzlB] [Pubmed|9287000]
  • Regulatory mechanism

  • [protein|search|AzlB]: transcriptional repression [Pubmed|9287000]
  • References

  • 9287000,25645558