It indicated that accessory protein P19 did not have an effect on cry11Aa crystallization and high mosquitocidal toxicity. However,it could enhance Cry11Aa expression amount to a certain extent.

• 该现象说明辅助蛋白P19的缺失对Cry11Aa蛋白的晶体形成和杀蚊活性没有影响,但P19作为分子伴侣在一定程度上帮助提高了Cry11Aa蛋白的表达水平。