Histone acetyltransferases(HAT) and histone deacetylases(HDACs) as the corresponding enzymes regulate the change of histones in two antagonist forms,acetylated or deacetylated.

• 组蛋白乙酰转移酶(HAT)和组蛋白去乙酰化酶(HDAC)调节组蛋白乙酰化程度,HDAC在基因表达和染色体形成等方面起着重要的调节作用。