β-环糊精衍生物与核糖核酸酶的相互作用

Journal of Huazhong Normal University(Natural Sciences)(2010)

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Abstract
用β-环糊精和对甲苯磺酰氯合成单-(6-O对甲苯磺酰基)β-环糊精,以合成的β-环糊精衍生物为主体,核糖核酸酶为客体,对比研究β-环糊精衍生物催化核糖核酸的水解和β环糊精衍生物非共价修饰的核糖核酸酶催化核糖核酸水解的酶活性,分析其催化活性的高低,并对其作用机理进行初步的探讨.β-环糊精衍生物具有水解核糖核酸的催化活性,能够非共价结合在核糖核酸酶上,形成的非共价修饰核糖核酸酶的催化活性比核糖核酸酶要高8.8倍.
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Key words
non-covalent modification,ribonuclease,β-cyclodextrin
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