A zinc-finger protein specific to a gene is loaded with an enzyme called a nuclease, which will bind to the gene and turn it on or off.

• 锌指蛋白以一种叫做a核酸酶（anuclease）的酶为载体结合在特定的基因上并将该基因沉默或者激活（不同的锌指蛋白结合的基因不同）。