What is it: A Process Control Plan (PCP) is a summary of defect prevention and reactive detection techniques. The overall intent of the PCP is to control the product characteristics and the associated process variables to ensure capability (around the identified target or nominal) and stability of the product over time.
Various compounds can reduce the activity of enzymes. They may act in a variety of different ways, and indeed may be reversible or irreversible inhibitors of the enzyme. An irreversible inhibitor causes covalent modification of the enzyme, so that its activity is permanently reduced.
Enzyme - Inhibition. 1  Enzyme reaction rates can be decreased by various types of enzyme inhibitors. 2  A competitive inhibitor and substrate cannot bind to the enzyme at the same time. 3  A non-competitive inhibitor binds to a site other than where the substrate binds.