【摘 要】
：
锌指蛋白是一类重要的转录因子,由不同数目的半胱氨酸残基(C)和组氨酸残基(H)结合锌离子构成锌指结构域是锌指蛋白的重要特征.它能通过锌指结构域的结合某些基因启动子区域的
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锌指蛋白是一类重要的转录因子,由不同数目的半胱氨酸残基(C)和组氨酸残基(H)结合锌离子构成锌指结构域是锌指蛋白的重要特征.它能通过锌指结构域的结合某些基因启动子区域的顺式作用元件而发挥转录调控作用.研究表明,锌指蛋白广泛参与植物对非生物胁迫的响应.目前,人们已经从水稻中分离鉴定多种与非生物胁迫反应相关的锌指蛋白基因,但它们大都属于C2H2型.
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