3. Threonine An AMINO ACID derived from aspartic acid. It is broken down to form glycine and acetyl CoA. Isoleucine can be synthesized from threonine.

• 苏氨酸：由天冬氨酸衍生的一种氨基酸。可分解为甘氨酸和乙酰辅酶A。还可以用于合成异亮氨酸。收藏指正