FIG. 3.

Binding of ¹²⁵I-Cry1C to diamondback moth BBMV (0.2 mg of vesicle protein/ml) at increasing concentrations of unlabeled Cry1C. Nonspecific binding was not subtracted. Each point represents the mean of two independent experiments. Symbols: □, Geneva 88 strain; ■, Cry1C-Sel strain.