[gmx-users] p_N head group lipid orientation

Justin Lemkul jalemkul at vt.edu
Fri Jul 27 18:57:41 CEST 2012

On 7/27/12 12:50 PM, yousef nademi wrote:
> ​hi everybody
> i want to calculate the P_N orientation of dppc lipid bilayer but in g_angle index file shoud have at least 3 atom but in P_N vector i want to define 2 atom
> is there anyone know what should i do?

g_sgangle with the -z option (assuming the bilayer is in the x-y plane) should 
do this.  The index group can contain two atoms (or a suitable multiple of two 
defining all the P and N atoms).



Justin A. Lemkul, Ph.D.
Research Scientist
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080


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