The exprer:,sed fusion proteins was purified by sephmme 6B-amylose affinity chronmtography and DEAE-sepharose Ffchromatography.

• 表达的融合蛋白 经过Sepharose 6B-amy]ose亲和色谱和DEAE-SephamseFF离子交换色谱得到有效纯化；