31. However, Angiotensin converting enzyme inhibitors and Angiotensin II receptor antagonists are favoured due to their anti-proteinuric effect. 32. Drugs and poisons are often enzyme inhibitors . 33. MLN4924, a NEDD8-activating enzyme inhibitor functioning according to similar mechanisms, is currently undergoing phase I clinical trials. 34. Many drugs and poisons are enzyme inhibitors . 35. Thus, in tofu and bean curd, these enzyme inhibitors are reduced in quantity, but not completely eliminated. 36. These enzyme inhibitors interfere with digestion. 37. It is an inhibitor of the enzyme thermolysin, a membrane metallo-endopeptidase inhibitor, and an endothelin converting enzyme inhibitor . 38. In cell biology aprotinin is used as an enzyme inhibitor to prevent protein homogenization of cells and tissues. 39. He was also instrumental in the writing and successful nomination of the featured articles Enzyme and Enzyme inhibitor . 40. An example of a medicinal enzyme inhibitor is sildenafil ( Viagra ), a common treatment for male erectile dysfunction.