Chapter 5:The Hairpin and Varkud Satellite Ribozymes

Chapter 5:The Hairpin and Varkud Satellite Ribozymes
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第 5 章:发夹核酶和 Varkud 卫星核酶

DOI:
10.1039/9781847557988-00066
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发表时间:
2007
期刊:
影响因子:
3.4
通讯作者:
D. Lilley
D. Lilley
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
D. Lilley

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核酸分解核酶通过酯交换反应在特定位点进行切割,其中2′-氧攻击3′-磷,5′-氧离开留下环状2′-3′-磷酸。该反应遵循SN 2机理,在磷处具有构型反转。...
Nucleolytic ribozymes carry out cleavage at a specific site by transesterification reactions in which the 2′-oxygen attacks the 3′-phosphorus, with departure of the 5′-oxygen to leave a cyclic 2′-3′-phosphate. The reaction follows an SN2 mechanism, with inversion of configuration at the phosphorus. ...