ID 3.4.24.6 DE leucolysin. AN Leucostoma neutral proteinase. CA Cleavage of 1-Phe-|-Val-2, 5-His-|-Leu-6, 14-Ala-|-Leu-15, 20-Gly-|-Glu- CA 21, 23-Gly-|-Phe-24 and 24-Phe-|-Phe-25 bonds in insulin B chain as well CA as N-blocked dipeptides. CC -!- From the venom of the western cottonmouth moccasin snake (Agkistrodon CC piscivorus leucostoma). //