Dear, i want to make a free energy landscape with respect to Rg and RMSD. First i get the rmsd.xvg by g_rms and then get the Rg.xvg file by g_gyrate. And the i merge the rmsd value and Rg value into one file with two column, then i use the g_sham command to got the free energy landscapes. does it right or not? i have seen dihedral PCA from your website ( http://www.gromacs.org/Documentation/How-tos/Dihedral_PCA?highlight=landscape), should i use the g_covar and g_anaeig commands to get the free energy landscape with respect to Rg and RMSD? if yes, please tell how to do it , thank you very much!
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