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Proteins can move around the membrane. The protein does move: the membrane is a liquid crystal and has fluid behaviour. Specifically this is due to the membrane being in a gel-state. This gel state allows phase behaviour which means that the protein is able to move around on the surface by a similar process. This is often referred to as the fluid mosaic ...


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I’m no physicist, but your statement “To my knowledge statistical mechanics and thermodynamics exist when we have an ensemble of particle such as in a liquid or a gas” is surely incorrect. The problem of protein folding is one of thermodynamics — finding the structure of lowest free energy, and the path by which it is reached from a random coil. One of the ...



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