金属硫蛋白（ｍｅｔａｌｏｔｈｉｏｎｅｉｎｅ，ＭＴ）是一种富含金属（Ａｇ、Ａｕ、Ｂｉ、Ｃｄ、Ｈｇ、Ｚｎ等）和半胱氨酸的低分子质量的蛋白质，ＭＴ在体内被金属和其它因素诱导而合成，具有重要的生物学功能。它与微量元素的代谢、自由基的清除以及肿瘤等疾病的发生、... Metothionein (MT) is a kind of low molecular mass protein rich in metals (Ag, Au, Bi, Cd, Hg, Zn, etc.) and cysteine. MT is induced by metals and other factors in vivo Synthesis, has important biological functions. It and the metabolism of trace elements, free radical scavenging and tumor and other diseases, ...