Function mediated by cAMP receptor protein/catabolite gene activator protein.
Positive control of energy metabolism is effected through a process otherwise known as catabolite repression, which results in a deemphasis on the use of non-preferred carbon sources by especially bacteria cells. In the classic example, glucose is used preferentially to lactose (see Lac operon).
See also positive control of gene expression, energy metabolism, energy source, cyclic AMP (cAMP), receptor protein, catabolite, activator, activator protein, and protein.
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