CysK

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  • Description: trigger enzyme: cysteine synthetase A

Gene name cysK
Synonyms
Essential no
Product cysteine synthetase A
Function biosynthesis of cysteine, control of CymR activity
MW, pI 32 kDa, 5.492
Gene length, protein length 924 bp, 308 aa
Immediate neighbours yacD, pabB
Gene sequence (+200bp) Protein sequence
Genetic context
CysK context.gif



The gene

Basic information

  • Coordinates:

Phenotypes of a mutant

constitutive expression of the cysH operon, auxotrophic for cysteine

Database entries

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

Additional information

The protein

Basic information/ Evolution

  • Catalyzed reaction/ biological activity:
  • Protein family:
  • Paralogous protein(s):

Extended information on the protein

  • Kinetic information:
  • Domains:
  • Modification:
  • Cofactor(s):
  • Effectors of protein activity:
  • Interactions: CymR-CysK, the complex is formed in the presence of cysteine, and results in DNA binding and repression of genes of cysteine biosynthesis PubMed


  • Localization:

Database entries

  • Structure:
  • Swiss prot entry:
  • KEGG entry:
  • E.C. number: EC 4.2.99.8

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

  1. Tanous et al. (2008) The CymR regulator in complex with the enzyme CysK controls cysteine metabolism in Bacillus subtilis.J. Biol. Chem. 283: 35551-35560. PubMed
  2. Author1, Author2 & Author3 (year) Title Journal volume: page-page. PubMed