Tissue kallikrein (EC 3.4.21.35, glandular kallikrein, pancreatic kallikrein, submandibular kallikrein, submaxillary kallikrein, kidney kallikrein, urinary kallikrein, kallikrein, salivary kallikrein, kininogenin, kininogenase, callicrein, glumorin, padreatin, padutin, kallidinogenase, bradykininogenase, depot-padutin, urokallikrein, dilminal D, onokrein P) is an enzyme. This enzyme catalyses the following chemical reaction Tissue kallikrein (EC 3.4.21.35, glandular kallikrein, pancreatic kallikrein, submandibular kallikrein, submaxillary kallikrein, kidney kallikrein, urinary kallikrein, kallikrein, salivary kallikrein, kininogenin, kininogenase, callicrein, glumorin, padreatin, padutin, kallidinogenase, bradykininogenase, depot-padutin, urokallikrein, dilminal D, onokrein P) is an enzyme. This enzyme catalyses the following chemical reaction This enzyme is formed from tissue prokallikrein by activation with trypsin.