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mtrB [Thu Oct 01 2015 13:51:44 GMT+0200 (CEST)]
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mtrB [Thu Oct 01 2015 13:51:44 GMT+0200 (CEST)]

tryptophan operon RNA-binding attenuation protein (TRAP), controls the RNA switch in front of genes involved in biosynthesis and acquisition of tryptophan
locus
BSU22770
pI
7.00
mw
8.00 kDa
function
regulation of tryptophan biosynthesis
(and translation) attenuation in the trp operon;
repression of the folate operon
product
tryptophan operon RNA-binding attenuation protein (TRAP)
essential
no
synonyms

Genomic Context

      

categories

  • [category|SW 2|Metabolism] → [category|SW 2.3|Amino acid/ nitrogen metabolism] → [category|SW 2.3.1|Biosynthesis/ acquisition of amino acids] → [category|SW 2.3.1.13|Biosynthesis/ acquisition of aromatic amino acids]
  • [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 3|Information processing] → [category|SW 3.4|Regulation of gene expression] → [category|SW 3.4.4|RNA binding regulators]
  • [SW|Categories] containing this gene/protein

  • [SW|biosynthesis/ acquisition of amino acids], [SW|transcription factors and their control], [SW|RNA binding regulators]
  • Gene

    Coordinates on the chromosome (coding sequence)
    2,384,534 -> 2,384,761

    The protein

    Protein family

  • prpD family (according to Swiss-Prot)
  • Effectors of protein activity

  • binding of tryptophan results RNA binding and thus in transcription termination
  • Structure

  • [PDB|3AQD], [PDB|1WAP] (complex with L-tryptophan), [PDB|2ZP9] (complex with [protein|search|RtpA])
  • [SW|Interactions]

  • forms 11-mers
  • [MtrB|search|TRAP]11-[protein|search|RtpA]3 [Pubmed|24682818,11557884]
  • Expression and Regulation

    Operon

  • ''[protein|search|folE]-[protein|search|mtrB]'' [Pubmed|2123343]
  • [SW|Sigma factor]

  • [protein|search|SigA] [Pubmed|2123343]
  • References

    Reviews

  • 19385727,16285852,15063849
  • Original Publications

  • 22970197,19033375,17881743,10660627,10714985,12963367,14702295,16879415,17114058,17114263,11805104,7525975,10735881,15262953,14976255,8647825,18334255,10499579,7715723,8932308,11214184,15743934,7515880,9242649,7759487,15050822,14687568,9245598,9765233,11914485,15099736,7678334,8643393,15588817,16738132,1551827,17555767,7544009,11786553,11566976,2123343,11557884,12133840,16784236,10369778,7715723,10499579,11566976,7515880,21097886,21984911,24505391,24572018,24682818,25579595