Hi Lin, You don't get such axes directly from covariance analysis. If you want to know which rotations are associated with a certain eigenvector, you have to run a routine like dyndom (http://fizz.cmp.uea.ac.uk/dyndom/) on the extreme projections of your trajectory onto an eigenvector.
Cheers, Tsjerk On Fri, May 27, 2011 at 4:54 AM, Chih-Ying Lin <chihying2...@gmail.com> wrote: > > Hi > I want to protein's domain motion. > I use g_covar and g_anaeig to get the eigenvectors. > How can i get the rotational axis of which protein do its domain motion from > those eigenvectors? > I found the papers and the authors plot its rotational axis of domain > motion. > How did they make it ? > > Thank you > Lin > -- > gmx-users mailing list gmx-users@gromacs.org > http://lists.gromacs.org/mailman/listinfo/gmx-users > Please search the archive at > http://www.gromacs.org/Support/Mailing_Lists/Search before posting! > Please don't post (un)subscribe requests to the list. Use the > www interface or send it to gmx-users-requ...@gromacs.org. > Can't post? Read http://www.gromacs.org/Support/Mailing_Lists > -- Tsjerk A. Wassenaar, Ph.D. post-doctoral researcher Molecular Dynamics Group * Groningen Institute for Biomolecular Research and Biotechnology * Zernike Institute for Advanced Materials University of Groningen The Netherlands -- gmx-users mailing list gmx-users@gromacs.org http://lists.gromacs.org/mailman/listinfo/gmx-users Please search the archive at http://www.gromacs.org/Support/Mailing_Lists/Search before posting! Please don't post (un)subscribe requests to the list. Use the www interface or send it to gmx-users-requ...@gromacs.org. Can't post? Read http://www.gromacs.org/Support/Mailing_Lists