The E. coli strain BL21(DE3) transformed by pETOMP25 could express a recombinant protein with reactivity,which amounts to 18.6% in the total protein of the induced bacteria.

• 转化重组质粒pETOMP25的大肠杆菌BL21(DE3)在IPTG的诱导下；可表达出具有反应原性的目的蛋白；表达量占菌体蛋白的18.；6%25。