Zinc fingers are usually attached to enzymes called nucleases, dubbed ZFNs, which cut both strands of DNA.

通常附着在核酸酶上的锌指，称作ZFNs，它负责切断dna的两条链。

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Zinc finger nucleases (ZFNs) are artificial restriction enzymes made by fusing an engineered zinc finger DNA-binding domain to the DNA cleavage domain of a restriction enzyme.

锌指核酸酶是一种人工制做限制性内切酶，通过将锌指DNA结合区与限制性内切酶的DNA切割区融合获得。

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