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"Francisco J. Cao Garcia" <[log in para visualizar]>
Mon, 17 Sep 2007 20:37:36 +0200
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The Stepping Motor Protein as a Feedback Control Ratchet

Martin Bier     (East Carolina University, USA)

Motor proteins are nanometer size engines that take care of a cell's 
internal transport needs.  They take the energy of ATP hydrolysis and pull 
vesicles and organelles to their destinations as they turn this energy 
into directed motion along a biolpolymer.  Many experimental data on motor 
proteins have become available over the last decade.  Simple Brownian 
ratchet models turn out to account remarkably well for these data.  Models 
and data will be presented.  The role of internal friction in the 
operation of a motor protein will also be discussed.

Jueves 20 de Septiembre 2007 a las 11:00.

Aula 10. 1 planta. Facultad de Ciencias Fisicas. Universidad Complutense 
de Madrid.