; When using this new tolopolgy, make sure you have included the required parameters ; (see http://swisssidechain.ch/MD/gromacs.html) [ FGA4 ] ; 4-Fluoro-glutamic acid [ atoms ] N NH1 -0.4700 0 HN H 0.3100 1 CA CT1 0.0700 2 HA HB 0.0900 3 CB CT2 -0.1800 4 HB1 HA 0.0900 5 HB2 HA 0.0900 6 CG CT1 0.1500 7 HG HA 0.0900 8 CD CC 0.6200 9 FG F1 -0.3400 10 OE1 OC -0.7600 11 OE2 OC -0.7600 12 C C 0.5100 13 O O -0.5100 14 [ bonds ] N HN N CA C CA C +N CA HA CB CA O C OE1 CD OE2 CD CG CB HB1 CB HB2 CB CG CD FG CG HG CG [ impropers ] N -C CA HN C CA +N O CD CG OE1 OE2 [ cmap ] -C N CA C +N