[ None ] [ GLY-NH3+ ] [ replace ] N NH3 14.0027 -0.3 CA CT2 12.011 0.13 [ Add ] 3 4 H N CA C HC 1.008 0.33 [ delete ] HN [ NH3+ ] [ replace ] N NH3 14.0027 -0.3 CA CT1 12.011 0.21 HA HB 1.008 0.1 [ Add ] 3 4 H N CA C HC 1.008 0.33 [ delete ] HN [ PRO-NH2+ ] [ replace ] N NP 14.0027 -0.07 CA CP1 12.011 0.16 CD CP3 12.011 0.16 [ add ] 2 4 H N CA C HC 1.008 0.24