CysS

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  • Description: cysteine-tRNA synthetase

Gene name cysS
Synonyms snpA
Essential yes PubMed
Product cysteine-tRNA synthetase
Function translation
Gene expression levels in SubtiExpress: cysS
Metabolic function and regulation of this protein in SubtiPathways:
tRNA charging, Cys, Met & Sulfate assimilation
MW, pI 53 kDa, 5.07
Gene length, protein length 1398 bp, 466 aa
Immediate neighbours cysE, mrnC
Sequences Protein DNA Advanced_DNA
Genetic context
CysS context.gif
This image was kindly provided by SubtiList
Expression at a glance   PubMed
CysS 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: BSU00940

Phenotypes of a mutant

essential PubMed

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity: ATP + L-cysteine + tRNA(Cys) = AMP + diphosphate + L-cysteinyl-tRNA(Cys) (according to Swiss-Prot)
  • Protein family: class-I aminoacyl-tRNA synthetase family (according to Swiss-Prot)
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification: phosphorylation on Ser-270 PubMed
  • Cofactor(s):
  • Effectors of protein activity:

Database entries

  • Structure: 1U0B (from Escherichia coli, 42% identity, 56% similarity) PubMed
  • KEGG entry: [3]

Additional information

Expression and regulation

  • Regulatory mechanism: T-box, overlaps a transcription terminator upstream of cysE: transcription antitermination PubMed
  • 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