SDS PAGE analysis showed an induced expression product band which constituted about 20% of the total bacterial proteins. However,its molecular weight was larger than what was expected.

• SDS?PAGE分析确定有一比理论值略大的诱导表达条带，其表达量占全菌蛋白质的20%25左右，且表达蛋白质主要是以包涵体的形式存在。