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CATABOLITE GENE ACTIVATOR PROTEIN [1 record]

Record 1 2009-06-19

English

Subject field(s)
  • Biochemistry
  • Genetics
CONT

The lac operon is additionally regulated through binding of the cAMP-receptor protein, CRP (also termed the catabolite activator protein, CAP) to sequences near the promoter domain of the operon. The result is a 50 fold enhancement of polymerase activity.

French

Domaine(s)
  • Biochimie
  • Génétique
DEF

Protéine impliquée dans le mécanisme de contrôle et d'initiation de la transcription de certains opérons soumis à la répression catabolique.

CONT

Le CAP se fixe au cAMP (adénosine monophosphate cyclique) qui l'active. Le complexe CAP-cAMP se lie alors à un site spécifique du promoteur, le site CAP, et de ce fait facilite l'attachement au promoteur de l'ARN-polymérase.

Spanish

Campo(s) temático(s)
  • Bioquímica
  • Genética
DEF

Proteína reguladora de genes en procariotas que, en ausencia de glucosa, activa genes responsables de la degradación de fuentes alternativas de carbono.

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