Titlebook: Cellular Nanomachines; From Discovery to St Bhanu P. Jena Book 2020 Springer Nature Switzerland AG 2020 nanomachines.electron microscopy.at

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https://doi.org/10.1007/978-3-540-34677-7n interaction), generating force in the process to walk along the actin filament. Binding of a new ATP molecule to the myosin head releases myosin from actin to repeat the cycle. The structure and function of myosin are globally conserved.

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GLOOM

Porosome: Cells Secretory Nanomachine,tters in neurons, insulin in beta cells of the endocrine pancreas, or digestive enzymes in the exocrine pancreas are all packaged and stored in membrane-bound secretory vesicles that dock and fuse at the cell plasma membrane to release their contents during secretion. The prevailing view was that se

THE

,Ubiquitin–Proteasome Machinery: Cells Garbage Disposal,ment. Many proteins such as transcription factors or signaling molecules are rapidly degraded (min), while structural proteins have very slow turnover rates (days). Similarly, damaged or improperly folded proteins are rapidly degraded. Two major cellular pathways operate to mediate the degradation o

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Nuclear Pore: A Bidirectional Transport Machinery,a mass of 110–120 MDa. It spans the double membrane of the nuclear envelope and selectively transports both proteins, nucleic acids, and small signaling molecules bidirectionally. The diameter of the channel in the nuclear pore complex is approximately 5 nm in diameter and 45 nm in depth. Selective

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Myosin: Cellular Molecular Motor,ility functions in cells, including transport of intracellular cargo. Typically, myosin molecules are composed of a heavy chain having a tail, hinge, and head domain and light chain present near the myosin head that modulates calcium-dependent transduction of force by myosin. The myosin head has bot