Non-competitive inhibition
Enzyme inhibition / From Wikipedia, the free encyclopedia
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Not to be confused with Uncompetitive inhibitor.
"Non-competitive" redirects here. For other uses, see Competition.
Non-competitive inhibition is a type of enzyme inhibition where the inhibitor reduces the activity of the enzyme and binds equally well to the enzyme whether or not it has already bound the substrate.[1] This is unlike competitive inhibition, where binding affinity for the substrate in the enzyme is decreased in the presence of an inhibitor.
The inhibitor may bind to the enzyme whether or not the substrate has already been bound, but if it has a higher affinity for binding the enzyme in one state or the other, it is called a mixed inhibitor.[1]