kallikrein

A group of enzymes (plasma, tissue, pancreatic, urinary, sub-mandibular kallikrein) that can convert kininogen to bradykinin or kallidin; trypsin and plasmin can also affect the conversion.

An enzyme present in blood plasma, lymph, urine, saliva, pancreatic juices, and other body fluids that catalyzes the proteolysis of bradykininogen to bradykinin. Also called kininogenase.