1 NOT 6-azido-L-lysine 1.000 2 AZK (S)-2-amino-6-azidohexanoic acid 0.917 3 A1BX4 N~6~-hydroxy-L-lysine 0.769 4 MLZ N-methyl-lysine 0.769 5 2DO (2s)-2-aminohexane-1,1-diol 0.750 6 DNE D-norleucine 0.750 7 F7V (2s,4e)-2-aminohex-4-enoic acid 0.750 8 IZO (2s)-2-aminohex-5-ynoic acid 0.750 9 NLE Norleucine 0.750 10 T79 (2s)-2-azanylhex-4-ynoic acid 0.750 11 02Y 6-diazonio-5-oxo-L-norleucine 0.714 12 6HN 6-nitro-L-norleucine 0.714 13 9E7 N~6~-(sulfanylmethyl)-L-lysine 0.714 14 DON 6-diazenyl-5-oxo-L-norleucine 0.714 15 LDH N~6~-ethyl-L-lysine 0.714 16 MLY N-dimethyl-lysine 0.714