Fig. 5From: Dacin, one metalloproteinase from Deinagkistrodon acutus venom inhibiting contraction of mouse ileum muscle a, Trace showing the effect of Dacin (5 μg/ml) on the stimulated (70–100 V, 0.3 ms, 0.2 Hz) ileum smooth muscle preparation. Arrow indicates addition of Dacin. b, Control experiment without toxin or venom. c, Effect of crude venom (5 μg/ml) on the stimulated (70–100 V, 0.3 ms, 0.2 Hz) ileum smooth muscle preparation. Arrow indicates addition of venomBack to article page