Force-Velocity Relations of a Two-State Crossbridge Model for Molecular Motors

Details Force-Velocity Relations of a Two-State Crossbridge Model for Molecular Motors Force-Velocity Relations of a Two-State Crossbridge Model for Molecular Motors

1997-08-04

arxiv.org/abs/cond-mat/9708023v2

Europhys. Lett, 45, 283 (1999)

Physics

Condensed Matter

Soft Condensed Matter

5 pages, 4 figures, REVTeX; thoroughly revised version; also available at http://www.physik.tu-muenchen.de/~frey/

Scientific paper

10.1209/epl/i1999-00160-3

We discuss the force-velocity relations obtained in a two-state crossbridge model for molecular motors. They can be calculated analytically in two limiting cases: for a large number and for one pair of motors. The effect of the strain-dependent detachment rate on the motor characteristics is studied. It can lead to linear, myosin-like, kinesin-like and anomalous curves. In particular, we specify the conditions under which oscillatory behavior may be found.

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