Objective: To determine the contents of the amino acids and study the characters of Pheretima aspergillum e.
目的：分析地龙中氨基酸的含量及其特征性。
The purpose is to purify thrombolytic enzymes from Pheretima aspergillum(E. Perrier), and to analyze their activity and amino acid sequence.
分离纯化参环毛蚓中纤溶活性蛋白酶，并对其活性及氨基酸序列进行分析。
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