Think the best way to do this, is making the box in z-direction very
long, searching for atoms/groups of your ligand which should be parallel
to the z-axis, put them in an index group and then use 'editconf -princ'
But why would you want to have your ligand along the z-axis?!?
You can also pull the ligand in 3D instead of 1D (along z-axis).
Greetings
Thomas
>Dear GMX users,
>
>I want to do calculations of PMF based SMD and US, for the SMD
>calculation, first I should change the coordinates of the protein and
>ligand, so that the orientation of the ligand is parallel with Z axis.
>Could someone tell me how to deal with this step? Thanks very much!
>
>All the best,
>qinghua
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