Hi, Make a copy of the whole forcefield. See http://www.gromacs.org/Documentation/How-tos/Adding_a_Residue_to_a_Force_Field#Modifying_a_force_field
Mark On Tue, Jul 11, 2017 at 2:51 PM Miguel Caro <miguel.c...@aalto.fi> wrote: > Hello, > > I have created my own rtp file which I want to use in conjunction with > the OPLS force field. If I understand it correctly, the easiest way to > get pdb2gmx to build my topology would be to copy my rtp file into the > oplsaa.ff/ directory, and Gromacs looks for my molecule name inside > anything with an *rtp extension, including my rtp file. However, I have > no write permission to the oplsaa.ff/ directory of my Gromacs > installation. How can I get pdb2gmx to search inside my rtp file when > it's in a non-standard directory (e.g. in the current working directory)? > > Thanks, > > Miguel > > -- > *Dr. Miguel Caro* > /Postdoctoral researcher/ > Department of Electrical Engineering and Automation, > and COMP Centre of Excellence in Computational Nanoscience > Aalto University, Finland > Personal email: *mcar...@gmail.com* > Work: *miguel.c...@aalto.fi* > Website: http://mcaroba.dyndns.org > -- > Gromacs Users mailing list > > * Please search the archive at > http://www.gromacs.org/Support/Mailing_Lists/GMX-Users_List before > posting! > > * Can't post? Read http://www.gromacs.org/Support/Mailing_Lists > > * For (un)subscribe requests visit > https://maillist.sys.kth.se/mailman/listinfo/gromacs.org_gmx-users or > send a mail to gmx-users-requ...@gromacs.org. > -- Gromacs Users mailing list * Please search the archive at http://www.gromacs.org/Support/Mailing_Lists/GMX-Users_List before posting! * Can't post? Read http://www.gromacs.org/Support/Mailing_Lists * For (un)subscribe requests visit https://maillist.sys.kth.se/mailman/listinfo/gromacs.org_gmx-users or send a mail to gmx-users-requ...@gromacs.org.