In mammals, selenoprotein is a functional carrier of selenium, which combines with protein in the form of Sec and Se-Met.

• 在哺乳动物中硒蛋白是硒元素的功能载体，硒以硒-半胱氨酸（Sec）和硒-蛋氨酸（Se-Met）的形式结合到蛋白上。