Difference between revisions of "MtrB"

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=== Database entries ===
 
=== Database entries ===
 +
* '''BsubCyc:''' [http://bsubcyc.org/BSUB/NEW-IMAGE?type=NIL&object=BSU22770&redirect=T BSU22770]
  
 
* '''DBTBS entry:''' [http://dbtbs.hgc.jp/COG/prom/mtrAB.html]
 
* '''DBTBS entry:''' [http://dbtbs.hgc.jp/COG/prom/mtrAB.html]
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=== Database entries ===
 
=== Database entries ===
 +
* '''BsubCyc:''' [http://bsubcyc.org/BSUB/NEW-IMAGE?type=NIL&object=BSU22770&redirect=T BSU22770]
  
 
* '''Structure:''' [http://www.rcsb.org/pdb/explore.do?structureId=3AQD 3AQD],  [http://www.rcsb.org/pdb/explore.do?structureId=1WAP 1WAP] (complex with L-tryptophan), [http://www.rcsb.org/pdb/cgi/explore.cgi?pdbId=2ZP9 2ZP9] (complex with [[RtpA]])
 
* '''Structure:''' [http://www.rcsb.org/pdb/explore.do?structureId=3AQD 3AQD],  [http://www.rcsb.org/pdb/explore.do?structureId=1WAP 1WAP] (complex with L-tryptophan), [http://www.rcsb.org/pdb/cgi/explore.cgi?pdbId=2ZP9 2ZP9] (complex with [[RtpA]])

Revision as of 14:04, 2 April 2014

  • Description: tryptophan operon RNA-binding attenuation protein (TRAP), controls the RNA switch in front of genes involved in biosynthesis and acquisition of tryptophan

Gene name mtrB
Synonyms
Essential no
Product tryptophan operon RNA-binding attenuation protein (TRAP)
Function regulation of tryptophan biosynthesis
(and translation) attenuation in the trp operon;
repression of the folate operon
Gene expression levels in SubtiExpress: mtrB
Interactions involving this protein in SubtInteract: TRAP
Metabolic function and regulation of this protein in SubtiPathways:
mtrB
MW, pI 8 kDa, 7.333
Gene length, protein length 225 bp, 75 aa
Immediate neighbours hepS, folE
Sequences Protein DNA DNA_with_flanks
Genetic context
MtrB context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
MtrB expression.png















Categories containing this gene/protein

biosynthesis/ acquisition of amino acids, transcription factors and their control, RNA binding regulators

This gene is a member of the following regulons

The TRAP regulon

The gene

Basic information

  • Locus tag: BSU22770

Phenotypes of a mutant

Database entries

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

Additional information

  • mutations in mtrB, sigB, rpoB, and rpoC allow B. subtilis to grow with 4-fluorotryptophan rather than with tryptophan as a canonical amino acid of the genetic code PubMed

The protein

Basic information/ Evolution

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

Extended information on the protein

  • Kinetic information:
  • Modification:
  • Effectors of protein activity:
    • binding of tryptophan results RNA binding and thus in transcription termination

Database entries

  • KEGG entry: [3]
  • E.C. number:

Additional information

Expression and regulation

  • Regulation:
  • Regulatory mechanism:
  • 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

Reviews


Original Publications