tryptophan 5-monooxygenase

例句：

1. 1. Tryptophan 5-monooxygenase is a key enzyme in the production of melanin, which contributes to skin coloration.
   色氨酸5-单加氧酶是生产黑色素的关键酶，这有助于皮肤的颜色。
2. 2. The tryptophan 5-monooxygenase activity was found to be significantly higher in the brain compared to other tissues.
   研究发现，与其它组织相比，大脑中的色氨酸5-单加氧酶活性显著更高。
3. 3.In addition to its role in pigmentation, tryptophan 5-monooxygenase also plays a crucial role in the immune system.
   除了在色素形成中的作用外，色氨酸5-单加氧酶还在免疫系统中发挥着至关重要的作用。