Here is the generated topology of ligand with PRODRG server, i believe something is wrong with atom typs here;
PRODRG COORDS 29 1UNK CLAW 1 1.328 -0.638 -0.151 1UNK CAM 2 1.384 -0.765 -0.049 1UNK SAU 3 1.520 -0.861 -0.089 1UNK CAG 4 1.503 -0.954 0.053 1UNK CLAV 5 1.606 -1.085 0.095 1UNK CAN 6 1.396 -0.913 0.128 1UNK HAR 7 1.368 -0.958 0.223 1UNK CAO 8 1.327 -0.803 0.069 1UNK SAT 9 1.181 -0.728 0.145 1UNK OAR 10 1.144 -0.805 0.261 1UNK OAS 11 1.215 -0.589 0.171 1UNK NAQ 12 1.058 -0.732 0.029 1UNK HAS 13 1.052 -0.655 -0.035 1UNK CAC 14 0.963 -0.835 0.018 1UNK CAD 15 0.837 -0.802 -0.035 1UNK HAD 16 0.817 -0.699 -0.065 1UNK CAE 17 0.739 -0.899 -0.051 1UNK HAE 18 0.642 -0.870 -0.093 1UNK CAB 19 0.987 -0.969 0.051 1UNK HAB 20 1.085 -0.998 0.090 1UNK CAA 21 0.887 -1.065 0.036 1UNK HAA 22 0.908 -1.168 0.066 1UNK CAF 23 0.759 -1.034 -0.015 1UNK NAP 24 0.657 -1.133 -0.031 1UNK CAH 25 0.519 -1.090 -0.064 1UNK CAI 26 0.421 -1.196 -0.011 1UNK CAJ 27 0.447 -1.336 -0.069 1UNK CAK 28 0.595 -1.359 -0.104 1UNK CAL 29 0.690 -1.276 -0.016 1.33540 1.33540 1.33540 The atom types look strange to me. Please help On Wed, Jul 29, 2015 at 10:18 AM, su <sun.i...@gmail.com> wrote: > Hello everyone > I am doing protein-ligand simulation according to Justin's tutorial. After > running gmx grompp command, i encountered following error: > Fatal error: > Atomtype SDMSO not found. > Is this the force field matching problem? because i am not able to find > out any such atom types in any of the generated files. > Please guide me where the problem is. All other commands ran properly. > > Suniba > Sent from my iPhone -- 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.