Difference between revisions of "TrpE"
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=Expression and regulation= | =Expression and regulation= | ||
| − | * '''Operon:''' ''[[trpE]]-[[trpD]]-[[trpC]]-[[trpF]]-[[trpB]]-[[trpA]]'' | + | * '''Operon:''' ''[[trpE]]-[[trpD]]-[[trpC]]-[[trpF]]-[[trpB]]-[[trpA]]-[[hisC]]-[[tyrA]]-[[aroE]]'' {{PubMed|3924737}} |
| − | * '''[[Sigma factor]]:''' [[SigA]] | + | * '''[[Sigma factor]]:''' [[SigA]] {{PubMed|6436812}} |
| − | * '''Regulation:''' induction by tryptophan ([[MtrB| TRAP]]) | + | * '''Regulation:''' |
| + | ** induction by tryptophan ([[MtrB| TRAP]]) {{PubMed|1551827}} | ||
| − | * '''Regulatory mechanism:''' [[MtrB| TRAP]]: binding to the mRNA in the presence of tryptophan, this results in transcription termination | + | * '''Regulatory mechanism:''' |
| + | ** [[MtrB| TRAP]]: binding to the mRNA in the presence of tryptophan, this results in transcription termination {{PubMed|8419914}} | ||
| − | * '''Additional information:''' subject to feedback inhibition by tryptophan | + | * '''Additional information:''' subject to feedback inhibition by tryptophan {{PubMed|19258532}} |
=Biological materials = | =Biological materials = | ||
Revision as of 19:34, 29 October 2009
- Description: anthranilate synthase (subunit I)
| Gene name | trpE |
| Synonyms | |
| 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 
This image was kindly provided by SubtiList
| |
Contents
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:
- UniProt: P03963
- KEGG entry: [3]
- E.C. number: 4.1.3.27
Additional information
Expression and regulation
- Regulatory mechanism:
- 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
References
Paul Babitzke, Carol S Baker, Tony Romeo
Regulation of translation initiation by RNA binding proteins.
Annu Rev Microbiol: 2009, 63;27-44
[PubMed:19385727]
[WorldCat.org]
[DOI]
(I p)
Adam P McGraw, Ali Mokdad, François Major, Philip C Bevilacqua, Paul Babitzke
Molecular basis of TRAP-5'SL RNA interaction in the Bacillus subtilis trp operon transcription attenuation mechanism.
RNA: 2009, 15(1);55-66
[PubMed:19033375]
[WorldCat.org]
[DOI]
(I p)
Adam P McGraw, Philip C Bevilacqua, Paul Babitzke
TRAP-5' stem loop interaction increases the efficiency of transcription termination in the Bacillus subtilis trpEDCFBA operon leader region.
RNA: 2007, 13(11);2020-33
[PubMed:17881743]
[WorldCat.org]
[DOI]
(P p)
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)
