Aminopterin works as an enzyme inhibitor by competing for the folate binding site of the enzyme dihydrofolate reductase.

Roundup uses an enzyme inhibitor, glyphosate, to block one of the steps of the shikimate pathway.

He and his colleagues are attempting to create enzyme inhibitors by working backward from the enzyme.

Enzyme inhibitors also occur naturally and are involved in the regulation of metabolism.

Other cellular enzyme inhibitors are proteins that specifically bind to and inhibit an enzyme target.