منابع مشابه
Universal bound on the efficiency of molecular motors
The thermodynamic uncertainty relation provides an inequality relating any mean current, the associated dispersion and the entropy production rate for arbitrary nonequilibrium steady states. Applying it here to a general model of a molecular motor running against an external force or torque, we show that the thermodynamic efficiency of such motors is universally bounded by an expression involvi...
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The " Molecular Motors " Minisymposium focused mainly on the microtubule-based motors kinesin and dynein and a class V myosin. A common feature of all these motors is that they move processively on their track, meaning that the motor can take multiple steps without dissociating. A common theme of the Minisymposium was motor function in a complex intracellular environment. Kathy Trybus (Universi...
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Perhaps the most fascinating proteins that associate with the cytoskeleton are the molecular motors called motor proteins. These remarkable proteins bind to a polarized cytoskeletal filament and use the energy derived from repeated cycles of ATP hydrolysis to move steadily along it. Dozens of different motor proteins coexist in every eucaryotic cell. They differ in the type of filament they bin...
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Molecular motors are responsible for almost all biologically interesting motion. They support efficient, sustained, directional motility of cellular components within cells, of entire cells over surfaces and of entire organisms. Motors allow cells to set up complex structure, and then continuously to maintain and adjust it, by directing packets of molecular components to localised, and sometime...
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ژورنال
عنوان ژورنال: Biophysical Journal
سال: 2012
ISSN: 0006-3495
DOI: 10.1016/j.bpj.2011.11.3781