1.The acetylation and deacetylation of histone is charged by a pair of protea se with antistatic function on each other,which are histone transacetylase and histone deacetylase.

1.白乙酰化和去乙酰化由对功能相互拮抗的白——白乙酰基转移和白去乙酰化负责。