The result of SDS-PAGE indicated that the expression protein was about 40KD and reached to its peak at about 5 hours after inducing.

• SDS-PAGE电泳显示；表达的融合蛋白的分子量为40KD左右；且在诱导表达5小时后表达量最多；大约占菌体总蛋白的22.；4%25。