英语语法分析

Enterokinase ACTS on trypsinogen.

肠致活酶作用于蛋白酶原。

The optional high cell-density fermentation conditions, purification methods and biological activity of the recombinant enterokinase in E.

对重组肠激酶在大肠杆菌中的高密度发酵表达条件、纯化方法及其生物活性测定进行了研究。

Objective: To clone and express the gene of human enterokinase light chain which would be used in the cleavage and purification of fusion proteins.

研究目的：克隆表达人肠激酶轻链编码基因，以期应用于融合蛋白的切割与纯化。