突变酶是通过有控制的对天然酶基因进行剪切、修饰或突变，从而改变这些酶的催化特性、底物专一性或辅酶专一性，使之更加符合人类的社会生产、生活需要的一种酶。
突变酶w 117y的性质与野生型酶明显不同。
The properties of the mutant enzyme W117Y are very different from wild-type enzyme.
具突变酶带者有可能获得优良的突变体，为育种提供丰富的中间材料。
It is possible to obtain superior mutants from the material with the mutant enzyme bands, thus providing ample intermediate material for breeding.
这些病毒显示没有与包括奥斯他韦(达菲)在内的神经氨酶抑制剂耐药性有关的突变。
The viruses showed no mutations associated with resistance to the neuraminidase inhibitors, including oseltamivir (Tamiflu).
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