catabolite (gene) activator protein

ca·tab·o·lite (gene) ac·ti·va·tor pro·tein (CAP),

a protein that can be activated by cAMP, whereupon it affects the action of RNA polymerase by binding it with it or near it on the DNA to be transcribed. Synonym(s): catabolite gene activator, cyclic adenosine monophosphate receptor protein

ca·tab·o·lite (gene) ac·ti·va·tor pro·tein

(CAP) (kă-tab'ō-līt jēn ak'ti-vā-tŏr prō'tēn) A protein that can be activated by cAMP, whereon it affects the action of RNA polymerase by binding with it or near it on the DNA to be transcribed.
Synonym(s): cAMP receptor protein.