WE have detected natural inhibitors of enzymes m microgram quantities. In our method, after gel electrophoresis of a sample presumed to contain inhibitory activity, the slab of gel was incubated ...

The Trp 42 residue is mostly exposed in the structure of the free enzyme 3, whereas it is shielded ... to HCMV protease (in cyan for carbon atoms), chymotrypsin (yellow), and subtilisin (green).