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Towards Elucidation Of The Mechanism Of Biological Nanomotors, Zhengyi Zhao Jan 2016

Towards Elucidation Of The Mechanism Of Biological Nanomotors, Zhengyi Zhao

Theses and Dissertations--Pharmacy

Biological functions such as cell mitosis, bacterial binary fission, DNA replication or repair, homologous recombination, Holliday junction resolution, viral genome packaging, and cell entry all involve biomotor-driven DNA translocation. In the past, the ubiquitous biological nanomotors were classified into two categories: linear and rotation motors. In 2013, we discovered a third type of biomotor, revolving motor without rotation. The revolving motion is further found to be widespread among many biological systems. In addition, the detailed sequential action mechanism of the ATPase ring in the phi29 dsDNA packaging motor has been elucidated: ATP binding induces a conformational entropy alternation of ATPase ...