[gmx-users] How to define the direaction of AFM pulling?

[clark]

Dear all,

Rencently I am confused about the AFM pulling function for PMF calculation in Gromacs3.3.1. I don't konw how to define the direction of pulling and how to combine these options:afm_dir, afm_init,group, reference_group and reftype. Would someone please tell me how to use them.  

Thanks a lot.  

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