Single-Molecule Magnetic Tweezers Studies of Type IB Topoisomerases

Single-Molecule Magnetic Tweezers Studies of Type IB Topoisomerases
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DOI:
10.1007/978-1-60761-340-4_7
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发表时间:
2009-01-01
期刊:
DNA TOPOISOMERASES: METHODS AND PROTOCOLS
影响因子:
--
通讯作者:
Dekker, Nynke H.
Dekker, Nynke H.
中科院分区:
其他
文献类型:
--
作者:
Lipfert, Jan;Koster, Daniel A.;Dekker, Nynke H.

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近年来,单分子力谱技术在拓扑异构酶的研究中得到了广泛的应用。磁镊特别适用于拓扑异构酶的研究,因为它们具有精确和直接控制DNA超螺旋状态的独特能力。在这里,我们说明了一个逐步的方式如何IB型拓扑异构酶的动态特性可以使用这种技术进行监测。
The past few years have seen the application of single-molecule force spectroscopy techniques to the study of topoisomerases. Magnetic tweezers arc particularly Suited to the study of topoisomerases due to their unique ability to exert precise and straightforward control of the supercoiled state of DNA. Here, we illustrate in a stepwise fashion how the dynamic properties of type IB topoisomerases can be monitored using this technique.