the nonapeptide h-val-ser-gln-asn-tyr-pro-ile-val-gln-nh2 containing the retroviral tyr-pro cleavage site is a good substrate for the proteinase of human immunodeficiency viruses but it is not readily hydrolyzed by other nonviral proteinases including the structurally related pepsin-like aspartic proteinases .
C0030940
proteinases
C2717969
aspartic proteinases