Protease Digestion and Role of N-acetyl Galactosamine in the Binding Characteristics of Bacillus thuringiensis Delta-endotoxin ( Cry 1Ac ) to Purified Receptor of Helicoverpa armigera

Kausar Malik and S. Riazuddin

Pakistan Journal of Biological Sciences 4 ( 5 ): 569 - 571 , 2001