[ None ] [ COO- ] [ replace ] C C 12.011 0.27 [ add ] 2 8 O C CA N OM 15.9994 -0.635 [ delete ] O [ bonds ] C O1 gb_5 C O2 gb_5 [ angles ] O1 C O2 ga_37 CA C O1 ga_21 CA C O2 ga_21 [ dihedrals ] N CA C O2 gd_20 [ impropers ] C CA O2 O1 gi_1 [ COOH ] [ replace ] C C 12.011 0.53 O OA 15.9994 -0.548 [ add ] 1 2 OT C CA N O 15.9994 -0.38 1 2 HO O C CA H 1.008 0.398 [ bonds ] C O gb_12 C OT gb_4 O HO gb_1 [ angles ] O C OT ga_32 C O HO ga_11 CA C O ga_18 CA C OT ga_29 [ dihedrals ] N CA C O gd_20 CA C O HO gd_3 [ impropers ] C CA OT O gi_1