Difference between revisions of "TrpE"

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=The gene=
=The gene=

Revision as of 08:22, 23 June 2009

  • Description: anthranilate synthase (subunit I)

Gene name trpE
Essential no
Product anthranilate synthase (subunit I)
Function biosynthesis of tryptophan
Metabolic function and regulation of this protein in SubtiPathways:
Phe, Tyr, Trp
MW, pI 57 kDa, 5.246
Gene length, protein length 1545 bp, 515 aa
Immediate neighbours trpD, aroH
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
TrpE context.gif
This image was kindly provided by SubtiList

The gene

Basic information

  • Locus tag: BSU22680

Phenotypes of a mutant

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: Chorismate + L-glutamine = anthranilate + pyruvate + L-glutamate (according to Swiss-Prot)
  • Protein family:
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity: subject to feedback inhibition by tryptophan PubMed
  • Localization:

Database entries

  • Structure:
  • KEGG entry: [3]

Additional information

Expression and regulation

  • Regulatory mechanism: TRAP: binding to the mRNA in the presence of tryptophan, this results in transcription termination PubMed
  • Additional information: subject to feedback inhibition by tryptophan PubMed

Biological materials

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

Labs working on this gene/protein

Your additional remarks


Paul Gollnick, Paul Babitzke, Alfred Antson, Charles Yanofsky
Complexity in regulation of tryptophan biosynthesis in Bacillus subtilis.
Annu. Rev. Genet.: 2005, 39;47-68
[PubMed:16285852] [WorldCat.org] [DOI] (P p)

Gintaras Deikus, Paul Babitzke, David H Bechhofer
Recycling of a regulatory protein by degradation of the RNA to which it binds.
Proc. Natl. Acad. Sci. U.S.A.: 2004, 101(9);2747-51
[PubMed:14976255] [WorldCat.org] [DOI] (P p)

E Merino, P Babitzke, C Yanofsky
trp RNA-binding attenuation protein (TRAP)-trp leader RNA interactions mediate translational as well as transcriptional regulation of the Bacillus subtilis trp operon.
J. Bacteriol.: 1995, 177(22);6362-70
[PubMed:7592410] [WorldCat.org] [DOI] (P p)

P Babitzke, J T Stults, S J Shire, C Yanofsky
TRAP, the trp RNA-binding attenuation protein of Bacillus subtilis, is a multisubunit complex that appears to recognize G/UAG repeats in the trpEDCFBA and trpG transcripts.
J. Biol. Chem.: 1994, 269(24);16597-604
[PubMed:7515880] [WorldCat.org] (P p)

J Otridge, P Gollnick
MtrB from Bacillus subtilis binds specifically to trp leader RNA in a tryptophan-dependent manner.
Proc. Natl. Acad. Sci. U.S.A.: 1993, 90(1);128-32
[PubMed:8419914] [WorldCat.org] [DOI] (P p)

P Babitzke, C Yanofsky
Reconstitution of Bacillus subtilis trp attenuation in vitro with TRAP, the trp RNA-binding attenuation protein.
Proc. Natl. Acad. Sci. U.S.A.: 1993, 90(1);133-7
[PubMed:7678334] [WorldCat.org] [DOI] (P p)

P Babitzke, P Gollnick, C Yanofsky
The mtrAB operon of Bacillus subtilis encodes GTP cyclohydrolase I (MtrA), an enzyme involved in folic acid biosynthesis, and MtrB, a regulator of tryptophan biosynthesis.
J. Bacteriol.: 1992, 174(7);2059-64
[PubMed:1551827] [WorldCat.org] [DOI] (P p)

M I Kuroda, D Henner, C Yanofsky
cis-acting sites in the transcript of the Bacillus subtilis trp operon regulate expression of the operon.
J. Bacteriol.: 1988, 170(7);3080-8
[PubMed:3133360] [WorldCat.org] [DOI] (P p)

H Shimotsu, M I Kuroda, C Yanofsky, D J Henner
Novel form of transcription attenuation regulates expression the Bacillus subtilis tryptophan operon.
J. Bacteriol.: 1986, 166(2);461-71
[PubMed:2422155] [WorldCat.org] [DOI] (P p)

D J Henner, L Band, H Shimotsu
Nucleotide sequence of the Bacillus subtilis tryptophan operon.
Gene: 1985, 34(2-3);169-77
[PubMed:3924737] [WorldCat.org] [DOI] (P p)

H Shimotsu, D J Henner
Characterization of the Bacillus subtilis tryptophan promoter region.
Proc. Natl. Acad. Sci. U.S.A.: 1984, 81(20);6315-9
[PubMed:6436812] [WorldCat.org] [DOI] (P p)