So CHARMM36 would be the best ff for a long membrane protein simulation? Is it possible to integrate CHARMM36 into Gromacs? -- View this message in context: http://gromacs.5086.n6.nabble.com/Gromacs-54a7-force-field-tp4999538p4999544.html Sent from the GROMACS Users Forum mailing list archive at Nabble.com.