Osmair Vital de Oliveira wrote: > Hi, > > Somebody has force field parameters of the D-glyceraldehyde-3-phosphate > (GAP). If you want to ask a question, please ask an thoughtful question. You should probably also check out http://wiki.gromacs.org/index.php/Steps_to_Perform_a_Simulation and http://wiki.gromacs.org/index.php/Parameterization Mark