Wiktionary
pitrilysin
n. (context biochemistry English) A particular bacterial protease.
Wikipedia
Pitrilysin
Pitrilysin (, Escherichia coli protease III, protease Pi, proteinase Pi, PTR, Escherichia coli metalloproteinase Pi) is an enzyme. This enzyme catalyses the following chemical reaction
Preferential cleavage of -Tyr- Leu- and -Phe- Tyr-bonds of oxidized insulin B chain. Also acts on other substrates of less than 7 kDa such as glucagonThis enzyme is present in bacteria Escherichia coli.