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Bionanomachines -- proteins as resistance fighters
Date:8/14/2009

energy released from these breaking bonds is lost as friction.

Efficient nanomachines

Protein friction also gives insight into the efficiency of kinesin. "About half of the energy from the motors fuel ATP is dissipated as friction between the motor and its substrate" Howard comments. Schffer adds: "What remains after further dissipation inside the motor is used for mechanical workthe efficiency is usually much better than for man-made machines". The dissipated energy is eventually converted to heat, that contributes to the heating of our body. Thus, for example our muscles are partly heated by protein friction as the muscle motor proteins do their work.


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Contact: Florian Frisch
frisch@mpi-cbg.de
49-035-121-02840
Max-Planck-Gesellschaft
Source:Eurekalert

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