Biophysical Journal 73: 703-721 (1997)
© 1997 the Biophysical Society

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Protein turbines. I: The bacterial flagellar motor.

Center for Nonlinear Studies, Los Alamos National Laboratory, New Mexico 87545, USA.

ABSTRACT

The bacterial flagellar motor is driven by a flux of ions between the cytoplasm and the periplasmic lumen. Here we show how an electrostatic mechanism can convert this ion flux into a rotary torque. We demonstrate that, with reasonable parameters, the model can reproduce many of the experimental measurements.

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