Difference between revisions of "AlaS"

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|colspan="2" | '''Genetic context''' <br/> [[Image:alaS_context.gif]]
 
|colspan="2" | '''Genetic context''' <br/> [[Image:alaS_context.gif]]
 
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|colspan="2" |'''[http://genome.jouy.inra.fr/cgi-bin/seb/viewdetail.py?id=alaS_2798174_2800810_-1 Expression at a glance]'''&#160;&#160;&#160;{{PubMed|22383849}}<br/>[[Image:alaS_expression.png|500px]]
 
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Revision as of 09:54, 20 April 2012

  • Description: alanine-tRNA synthetase

Gene name alaS
Synonyms
Essential yes PubMed
Product alanine-tRNA synthetase
Function translation
Metabolic function and regulation of this protein in SubtiPathways:
tRNA charging
MW, pI 97 kDa, 4.922
Gene length, protein length 2634 bp, 878 aa
Immediate neighbours yrzL, yrrI
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
AlaS context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
AlaS expression.png




























Categories containing this gene/protein

translation, essential genes

This gene is a member of the following regulons

T-box

The gene

Basic information

  • Locus tag: BSU27410

Phenotypes of a mutant

essential PubMed

Database entries

  • DBTBS entry: no entry
  • SubtiList entry: [1]

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: ATP + L-alanine + tRNA(Ala) = AMP + diphosphate + L-alanyl-tRNA(Ala) (according to Swiss-Prot)
  • Protein family: class-II aminoacyl-tRNA synthetase 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: 1YFS (enzyme from Aquifex aeolicus) PubMed, 3HXU (enzyme from E. coli with alanine) PubMed
  • KEGG entry: [2]

Additional information

Expression and regulation

  • Operon:
  • Sigma factor:
  • Regulation:
  • 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

Min Guo, Yeeting E Chong, Ryan Shapiro, Kirk Beebe, Xiang-Lei Yang, Paul Schimmel
Paradox of mistranslation of serine for alanine caused by AlaRS recognition dilemma.
Nature: 2009, 462(7274);808-12
[PubMed:20010690] [WorldCat.org] [DOI] (I p)

Ana Gutiérrez-Preciado, Tina M Henkin, Frank J Grundy, Charles Yanofsky, Enrique Merino
Biochemical features and functional implications of the RNA-based T-box regulatory mechanism.
Microbiol Mol Biol Rev: 2009, 73(1);36-61
[PubMed:19258532] [WorldCat.org] [DOI] (I p)

Manal A Swairjo, Paul R Schimmel
Breaking sieve for steric exclusion of a noncognate amino acid from active site of a tRNA synthetase.
Proc Natl Acad Sci U S A: 2005, 102(4);988-93
[PubMed:15657145] [WorldCat.org] [DOI] (P p)