摘要：近二十年来，锤头核酶作为基因治疗的一种重要RNA酶类越来越受到人们的广泛关注，有关锤头核酶抗病毒作用机理及应用等问题的研究正在逐步深入。本文仅就其分子结构、催化功能及影响核酶作用功效因素等分子生物学机制的研究进展作一综述。参考文献：

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