英语语法分析

The acylamide of C-terminus was substituted by glycin.

用苷氨酸残基替代C-端的酰胺；

Objective to study the cytotoxicity of crosslinked collagen-based scaffolds treated by glycin.

目的研究甘氨酸对新型胶原基人工骨材料的细胞毒性的影响。

In them, the increments of alanine, valine, glutamic acid, proline, glycin and serine were considerable.

其中，尤以丙氨酸、缬氨酸、谷氨酸、脯氨酸、甘氨酸、丝氨酸含量的增加相当明显。