|MoBio||Enzyme Inhibitors||Chapter 2|
Numerous drugs are enzyme inhibitors which may be divided into two types: competitive inhibitors and non-competitive inhibitors. The competitive inhibitor directly occupy the active site before the substrate can bind to it. The non-competitive inhibitor does not occupy the active site, but its binding to other region somehow inhibits the catalytic activity.
HIV protease inhibitor is a competitive inhibitor, as shown below.