As Mark suggested. If you have the parameters for your ATP, build an RTP-entry and afterwards, give the protein together with ATP into pdb2gmx...
Maik Goette, Dipl. Biol. Max Planck Institute for Biophysical Chemistry Theoretical & computational biophysics department Am Fassberg 11 37077 Goettingen Germany Tel. : ++49 551 201 2310 Fax : ++49 551 201 2302 Email : mgoette[at]mpi-bpc.mpg.de mgoette2[at]gwdg.de WWW : http://www.mpibpc.gwdg.de/groups/grubmueller/ [EMAIL PROTECTED] wrote: > Thank u very much for your suggestion, and now I had get the .gro file > and .top file of ATP molecule, but how to I add the ATP molecule into > the .gro and .top files of the protein? (If I paste the ATP's datas to > the end of protein's file directly, and do genbox, then the result (.gro > /.top file) only contain the atoms of the protein and water.) > And is there any difference between the .mdp file to do grompp for this > complex and for the system only contain protein and water? > > > > > mjduan at smail.hust.edu.cn > <http://www.gromacs.org/mailman/listinfo/gmx-users> wrote: >>/ Dear GROMACS users: > />/ I want to simulate a complex composed by a protein and an ATP molecule, > />/ and when I use the pdb2gmx to build the topology file and transfer > />/ the*pdb* file to *gro* file, > it said "/Fatal error: Atom PG in residue > />/ ATP 1 not found in rtp entry with 36 atoms while sorting atoms/", So how > />/ can I build the *top* file and *gro* file for ATP molecular and simulate > />/ the protein molcular and ATP molecule simultaneity? > / > By reading chapter 5 of the manual thoroughly, understanding how the rtp > files work for your force field and modifying your .pdb file and/or > force field files to work suitably. > > Mark > > > > ------------------------------------------------------------------------ > > _______________________________________________ > gmx-users mailing list gmx-users@gromacs.org > http://www.gromacs.org/mailman/listinfo/gmx-users > Please search the archive at http://www.gromacs.org/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/mailing_lists/users.php _______________________________________________ gmx-users mailing list gmx-users@gromacs.org http://www.gromacs.org/mailman/listinfo/gmx-users Please search the archive at http://www.gromacs.org/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/mailing_lists/users.php