glycylalanine

例句：

1. 1. The amino acid glycylalanine is an important building block for proteins.
   甘氨酰丙氨酸是一种重要的蛋白质构建块。
2. 2. Glycylalanine plays a crucial role in the body's immune system.
   甘氨酰丙氨酸在身体免疫系统中起着至关重要的作用。
3. 3. The amino acid glycylalanine is often used in nutritional supplements.
   甘氨酰丙氨酸经常被用于营养补充剂中。