However, EFE-II has a broader specificity than EFE-III-1 and prefers either the bonds consisting neutral or hydrophobic amino acids.

• 通过EFE-III-1和另外一种蚯蚓蛋白同功酶EFE-II在序列、同源性、底物特异性、纤溶活力、酶切位点、抗原性、构象等方面上的比较，结果提示：EFE-II具有胰蛋白酶和弹性蛋白酶类的双重特性；