Western blotting showed that the recombinant protein could specifically bind to Bt toxic protein Cry1Ab, which validated that the Bt-R3 was a receptor protein of Cry1Ab.

• 经Western印迹鉴定，结果表明表达产物能有效地结合Bt毒蛋白Cry1Ab，从而确认Bt-r3，是Cry1Ab的受体基因。