For its character of binding with serine proteases,Ea could be usef ul in structure and function research of serine protease and could also be used to purify serine protease.

• 利用其与丝氨酸蛋白酶家族成员 的结合特性，可用于丝氨酸蛋白酶的结构与功能研究，也可作为亲和层析的配体而用于丝氨 酸蛋白酶的纯化。