!standard plane restraints for amino acids using flexible rigid bodies F 0.5 S ARG .01 NE CZ NH1 NH2 S ARG .01 CD NE CZ NH1 NH2 S ASN .01 CB CG OD1 ND2 S ASP .01 CB CG OD1 OD2 S GLN .01 CG CD OE1 NE2 S GLU .01 CG CD OE1 OE2 S HIS .01 CB CG ND1 CD2 CE1 NE2 S PHE .01 CB CG CD1 CD2 CE1 CE2 CZ S TRP .01 CB CG CD1 NE1 CD2 CE2 CE3 CZ2 CZ3 CH2 S TYR .01 CB CG CD1 CD2 CE1 CE2 CZ OH S * .01 CA C O N+