the data obtained suggest the high sensitivity of human and rabbit serum kallikreins to the trypsin inhibitor of peptide-protein nature and a close similarity in composition of the active site for both serum kallikreins and trypsin , two spices different kininogenases -- from human and rabbit serum had also similarity in molecule conformation and composition active site .
C0313532
serum kallikreins
C0086418
human