Difference between revisions of "TrpP"

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* '''Description:''' L-tryptophan transporter  (proton symport) <br/><br/>
 
 
 
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Revision as of 13:32, 9 August 2012

  • Description: L-tryptophan transporter (proton symport)

Gene name trpP
Synonyms yhaG
Essential no
Product L-tryptophan transporter (proton symport)
Function tryptophan uptake
Gene expression levels in SubtiExpress: trpP
Metabolic function and regulation of this protein in SubtiPathways:
Phe, Tyr, Trp
MW, pI 18 kDa, 11.155
Gene length, protein length 516 bp, 172 aa
Immediate neighbours yhaH, serC
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
YhaG context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
TrpP expression.png




























Categories containing this gene/protein

transporters/ other, biosynthesis/ acquisition of amino acids, membrane proteins

This gene is a member of the following regulons

TRAP regulon

The gene

Basic information

  • Locus tag: BSU10010

Phenotypes of a mutant

Database entries

  • DBTBS entry: [1]
  • SubtiList entry: [2]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
  • Protein family: trpP transporter family (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:

Database entries

  • Structure:
  • KEGG entry: [3]
  • E.C. number:

Additional information

Expression and regulation

  • Regulation:
    • induced in the absence of tryptophan (MtrB) PubMed
  • Regulatory mechanism:
    • MtrB: translation inhibition at an RNA switch, the MtrB binding site overlaps the Shine-DAlgarno sequence and translation initation region, MtrB binds in the presence of tryptophan PubMed
  • Additional information:

Biological materials

  • Mutant:
  • Expression vector:
  • lacZ fusion:
  • GFP fusion:
  • two-hybrid system:
  • Antibody:

Labs working on this gene/protein

Your additional remarks

References

Helen Yakhnin, Hong Zhang, Alexander V Yakhnin, Paul Babitzke
The trp RNA-binding attenuation protein of Bacillus subtilis regulates translation of the tryptophan transport gene trpP (yhaG) by blocking ribosome binding.
J Bacteriol: 2004, 186(2);278-86
[PubMed:14702295] [WorldCat.org] [DOI] (P p)

J P Sarsero, E Merino, C Yanofsky
A Bacillus subtilis gene of previously unknown function, yhaG, is translationally regulated by tryptophan-activated TRAP and appears to be involved in tryptophan transport.
J Bacteriol: 2000, 182(8);2329-31
[PubMed:10735881] [WorldCat.org] [DOI] (P p)