IleS

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  • Description: isoleucyl-tRNA synthetase

Gene name ileS
Synonyms
Essential yes PubMed
Product isoleucyl-tRNA synthetase
Function translation
Metabolic function and regulation of this protein in SubtiPathways:
tRNA charging
MW, pI 104 kDa, 5.191
Gene length, protein length 2763 bp, 921 aa
Immediate neighbours divIVA, ylyA
Get the DNA and protein sequences
(Barbe et al., 2009)
Genetic context
IleS context.gif
This image was kindly provided by SubtiList







The gene

Basic information

  • Locus tag: BSU15430

Phenotypes of a mutant

essential PubMed

Database entries

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

Additional information

Categories containing this gene/protein

translation, essential genes

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: ATP + L-isoleucine + tRNA(Ile) = AMP + diphosphate + L-isoleucyl-tRNA(Ile) (according to Swiss-Prot)
  • Protein family: IleS type 1 subfamily (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:
  • Interactions:
  • Localization: cytoplasm (according to Swiss-Prot)

Database entries

  • Structure:
  • KEGG entry: [2]

Additional information

  • subject to Clp-dependent proteolysis upon glucose starvation PubMed

Expression and regulation

  • Operon:
  • Regulation:
  • Additional information: subject to Clp-dependent proteolysis upon glucose starvation PubMed

Biological materials

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

Labs working on this gene/protein

Your additional remarks

References

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)

Scott P Salowe, Judyann Wiltsie, Julio C Hawkins, Lisa M Sonatore
The catalytic flexibility of tRNAIle-lysidine synthetase can generate alternative tRNA substrates for isoleucyl-tRNA synthetase.
J Biol Chem: 2009, 284(15);9656-62
[PubMed:19233850] [WorldCat.org] [DOI] (P p)

Ulf Gerth, Holger Kock, Ilja Kusters, Stephan Michalik, Robert L Switzer, Michael Hecker
Clp-dependent proteolysis down-regulates central metabolic pathways in glucose-starved Bacillus subtilis.
J Bacteriol: 2008, 190(1);321-31
[PubMed:17981983] [WorldCat.org] [DOI] (I p)