1 LDH N~6~-ethyl-L-lysine 1.000 2 ALY N(6)-acetyllysine 0.923 3 IEL N~6~-[(1z)-ethanimidoyl]-L-lysine 0.923 4 ILY N~6~-propan-2-yl-L-lysine 0.923 5 TLY (2s)-2-azanyl-6-(ethanethioylamino)hexanoic acid 0.923 6 MLZ N-methyl-lysine 0.917 7 5OL N~6~-(1,1-dihydroxyethyl)-L-lysine 0.857 8 6DN (2~{S})-2-azanyl-6-(2-hydroxy-2-oxoethylamino)hexanoic acid 0.857 9 7QK N~6~-acetyl-N~6~-methyl-L-lysine 0.857 10 ELY N~6~,N~6~-diethyl-L-lysine 0.857 11 GBG N~6~-[(1e)-2-chloroethanimidoyl]-L-lysine 0.857 12 I58 4r-fluoro-n6-ethanimidoyl-L-lysine 0.857 13 LYP N~6~-methyl-N~6~-propyl-L-lysine 0.857 14 PRK N~6~-propanoyl-L-lysine 0.857 15 Q3P N~6~-glycyl-L-lysine 0.857 16 9E7 N~6~-(sulfanylmethyl)-L-lysine 0.846 17 MLY N-dimethyl-lysine 0.846 18 5GG Deoxyhypusine 0.800 19 5T3 N~6~-ethyl-N~6~-propan-2-yl-L-lysine 0.800 20 BTK N~6~-butanoyl-L-lysine 0.800 21 D8R (2~{S})-2-azanyl-6-[[(2~{R})-2-oxidanylpropanoyl]amino]hexanoic acid 0.800 22 KCR N-6-crotonyl-L-lysine 0.800 23 KPI (2s)-2-amino-6-[(1-hydroxy-1-oxo-propan-2-ylidene)amino]hexanoic acid 0.800 24 LGY (E)-N~6~-(4-oxobutylidene)-L-lysine 0.800 25 N65 (2~{S})-2-azanyl-6-[(~{E})-pentan-2-ylideneamino]hexanal 0.800 26 RF9 N~6~-[(1r)-1-carboxyethyl]-L-lysine 0.800 27 HRG L-homoarginine 0.786 28 KCX Lysine nz-carboxylic acid 0.786 29 M3L N-trimethyllysine 0.786 30 X5H (~{E})-6-(2-hydroxy-2-oxoethylamino)hex-4-enoic acid 0.786 31 YHA Homocitrulline 0.786 32 2DO (2s)-2-aminohexane-1,1-diol 0.750 33 5CT Hypusine 0.750 34 DNE D-norleucine 0.750 35 F7V (2s,4e)-2-aminohex-4-enoic acid 0.750 36 FAK N~6~-(trifluoroacetyl)-L-lysine 0.750 37 FF9 (2s)-2-azanyl-6-[(E)-(1-oxidanyl-1-oxidanylidene-butan-2-ylidene)amino]hexanoic acid 0.750 38 IZO (2s)-2-aminohex-5-ynoic acid 0.750 39 KHB N~6~-[(3s)-3-hydroxybutanoyl]-L-lysine 0.750 40 KPF N-(1-carboxy-2-fluoro-ethenyl) lysine 0.750 41 KYQ (E)-N~6~-(1-carboxy-2-hydroxyethylidene)-L-lysine 0.750 42 LCK (z)-N~6~-(2-carboxy-1-methylethylidene)-L-lysine 0.750 43 NLE Norleucine 0.750 44 T79 (2s)-2-azanylhex-4-ynoic acid 0.750 45 G3M (3s)-N~6~-carbamimidoyl-3-hydroxy-L-lysine 0.733 46 Q6M 7-[(3-aminopropyl)amino]heptane-2,2-diol 0.733 47 02Y 6-diazonio-5-oxo-L-norleucine 0.714 48 6HN 6-nitro-L-norleucine 0.714 49 DON 6-diazenyl-5-oxo-L-norleucine 0.714 50 GHS 6-carbamimidamidohexanoic acid 0.714 51 NOT 6-azido-L-norleucine 0.714 52 3ZL N~6~-[(1z)-4-amino-3-oxopenta-1,4-dien-1-yl]-L-lysine 0.706 53 A1LWV (2~{S})-2-azanyl-6-(5-oxidanylidenepentanoylamino)hexanoic acid 0.706 54 LLO N~6~-[(1s)-3-hydroxy-1,3-dimethylbutyl]-L-lysine 0.706 55 LLY Nz-(dicarboxymethyl)lysine 0.706 56 SLL (2s)-2-azanyl-6-[(4-hydroxy-4-oxo-butanoyl)amino]hexanoic acid 0.706