Noun
The antecedent of trypsin, a substance which is contained in the cells of the pancreas and gives rise to the trypsin.
Source: Webster's dictionaryAny trypsin prematurely formed from the inactive trypsinogen would be bound by the inhibitor. Source: Internet
Auto catalysis can happen with trypsin using trypsinogen as the substrate. Source: Internet
Some proteases are less active after autolysis (e.g. TEV protease ) whilst others are more active (e.g. trypsinogen ). Source: Internet