Single Molecular Machines and Motors, Christian Joachim; Gw?na?l Rapenne

Автор: Kinoshita
Название: Mechanism of Functional Expression of the Molecular Machines
ISBN: 9811014841 ISBN-13(EAN): 9789811014840
Издательство: Springer
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Цена: 51230.00 T
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Описание: This brief discusses the mechanism of functional expression of a protein or protein complex utilizing the ATP hydrolysis cycle or proton-motive force from a unique point of view focused on the roles of water. A variety of processes are considered such as the unidirectional movement of a linear-motor protein along a filament, insertion of an unfolded protein into a chaperonin and release of the folded protein from it, transport of diverse substrates across the membrane by a transporter, and directed rotation of the central subunit within a rotatory motor protein complex. These topics are discussed in a unified manner within the same theoretical framework. The author argues that water plays imperative roles in the functional expression of these molecular machines. A pivotal factor is the entropic force or potential originating from the translational displacement of water molecules coexisting with the molecular machines in the entire system.