Retrieving "Catabolite Activator Protein" from the archives

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1. Operon

   Linked via "catabolite activator protein"

   Negative Control: Involves a repressor protein that physically blocks [RNAP] accessibility or movement (e.g., lac* repressor).
   Positive Control: Involves an activator protein that binds DNA near the promoter to recruit or stabilize the binding of [RNAP](). For example, in the lac* operon, the catabolite activator protein ([CAP]()), when bound to cyclic AMP ([cAMP]()), significantly …

2. Operon

   Linked via "CAP"

   | lac | Catabolism | Negative Control | Inducer Present (Lactose) |
   | trp | Biosynthesis | Negative Control | Corepressor Present (Tryptophan) |
   | araBAD | Utilization | Positive Control | Activator Bound ([cAMP](/ent…