Hey, Shiyong - I believe your problem is related to X2TOP usage rather than to a proper force field choice. I'd suggest to start with looking into N2T files for the below entries.
Cheers. -- Dr. Vitaly V. Chaban Rochester, U.S.A. > I just tried G53a6 for protein-RNA simulation. But fatal error shows up. > > Opening library file /usr/share/gromacs/top//FF.dat > > Select the Force Field: > 0: GROMOS96 43a1 force field > 1: GROMOS96 43a2 force field (improved alkane dihedrals) > 2: GROMOS96 45a3 force field (Schuler JCC 2001 22 1205) > 3: GROMOS96 53a5 force field (JCC 2004 vol 25 pag 1656) > 4: GROMOS96 53a6 force field (JCC 2004 vol 25 pag 1656) > 5: OPLS-AA/L all-atom force field (2001 aminoacid dihedrals) > 6: [DEPRECATED] Gromacs force field (see manual) > 7: [DEPRECATED] Gromacs force field with hydrogens for NMR > 8: Encad all-atom force field, using scaled-down vacuum charges > 9: Encad all-atom force field, using full solvent charges > > Best > > -- > Shiyong Liu -- gmx-users mailing list [email protected] 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 [email protected]. Can't post? Read http://www.gromacs.org/Support/Mailing_Lists
