The enzymatic activity of proteinase which was isolated from a shell fish, Veneridae Soxidomus purpuratus Sowerby (Korean name "Gai-io-gai") was studied, and the obtained results were as follows;(l) The optimum pH of the enzyme was around 7. 5 (2) The...
The enzymatic activity of proteinase which was isolated from a shell fish, Veneridae Soxidomus purpuratus Sowerby (Korean name "Gai-io-gai") was studied, and the obtained results were as follows;(l) The optimum pH of the enzyme was around 7. 5 (2) The prohibiting activity of metallic ions for the enzymatic activity was the order of 1/1000 M-Ag->1/1000M -Zn++>1/1000M-Cd++>1/1000M-Pb++. (3) Of 3 specimens of the enzyme from heptapancreas, gastro-intestine and crystalline style the highest activity was shown by one from crystalline style.