pepsin A

Also found in: Dictionary, Thesaurus, Encyclopedia.
Related to pepsin A: pepsinogen, lipase, trypsin

pepsin A,

n a gastric protease found in the stomach that breaks down proteins. Most effective at pH values between 2.0 and 3.0 and inactive at pH values higher than 5.0.
References in periodicals archive ?
Figure 1b shows the gross primary structure of human pepsin A thus deduced, including the exonintron junction points.
Unexpectedly, however, they were later found to be less stable to certain denaturing agents such as urea and guanidine hydrochloride than pepsin A.
1996) Purification and characterization of turtle pepsinogen and pepsin A.