1 MET Methionine 1.000 2 MED D-methionine 1.000 3 4CY Nitrilo-L-methionine 0.900 4 A1LUD S-methyl-methionine 0.900 5 ESC 2-amino-4-ethyl sulfanyl butyric acid 0.900 6 ME0 Hydroxy-L-methionine 0.900 7 MHO S-oxymethionine 0.900 8 SME Methionine sulfoxide 0.900 9 HCS 2-amino-4-mercapto-butyric acid 0.889 10 KCY D-homocysteine 0.889 11 UXS (2s)-2-amino-4-(methylsulfanyl)butan-1-ol 0.889 12 2FM S-(difluoromethyl)homocysteine 0.818 13 MSL (2s)-2-amino-4-(methylsulfonimidoyl)butanoic acid 0.818 14 MT2 [(3s)-3-amino-3-carboxypropyl](ethyl)methylsulfonium 0.818 15 OMT S-dioxymethionine 0.818 16 H9L 4-methylsulfanyl-2-oxidanyl-butanoic acid 0.800 17 KMT 4-(methylsulfanyl)-2-oxobutanoic acid 0.800 18 MS6 (2s)-2-amino-4-(methylsulfanyl)butane-1-thiol 0.800 19 QXV D-methioninamide 0.800 20 A3B D-vinylglycine 0.778 21 ABA Alpha-aminobutyric acid 0.778 22 DBB D-alpha-aminobutyric acid 0.778 23 DBU (2z)-2-aminobut-2-enoic acid 0.778 24 H00 4-sulfanylbutanoic acid 0.778 25 LPG (2s)-2-aminobut-3-ynoic acid 0.778 26 LVG L-vinylglycine 0.778 27 M2S 3-{[(R)-methylsulfinyl]methyl}-L-valine 0.750 28 MF3 2-amino-4-trifluoromethylsulfanyl-butyric acid 0.750 29 81R (4r)-4,5-disulfanyl-L-norvaline 0.727 30 81S (4s)-4,5-disulfanyl-L-norvaline 0.727 31 HCM (2s)-2-amino-4-(methyldisulfanyl)butanoic acid 0.727 32 MME N-methyl methionine 0.727 33 2AG (2s)-2-aminopent-4-enoic acid 0.700 34 2TL D-allothreonine 0.700 35 4FO (2r)-2,4-diaminobutanoic acid 0.700 36 6ZS L-isovaline 0.700 37 7OZ (S)-2-amino-4-fluorobutanoic acid 0.700 38 A1CIL (2r)-2-amino-3-methylbut-3-enoic acid 0.700 39 AKB 2-amino-3-ketobutyric acid 0.700 40 ALO Allo-threonine 0.700 41 AS2 (2r)-2-amino-4-oxobutanoic acid 0.700 42 BB6 (2z)-2-amino-3-sulfanylbut-2-enoic acid 0.700 43 BCX (3r)-3-amino-4-sulfanylbutanoic acid 0.700 44 CG6 Beta-methyl-cysteine 0.700 45 DAB 2,4-diaminobutyric acid 0.700 46 DIV D-isovaline 0.700 47 DTH D-threonine 0.700 48 DVA D-valine 0.700 49 DYL (2r)-2-aminopent-4-enoic acid 0.700 50 EE0 (2~{R})-2-azanylpentanoic acid 0.700 51 F9D (2r)-2-aminopent-4-ynoic acid 0.700 52 HSE L-homoserine 0.700 53 LPH L-propargylglycine 0.700 54 MOZ (2z)-2-amino-3-hydroxybut-2-enoic acid 0.700 55 NVA Norvaline 0.700 56 Q3S (2r,3s)-2,3-diaminobutanoic acid 0.700 57 RXL Dehydrovaline 0.700 58 T9E Selenothreonine 0.700 59 THR Threonine 0.700 60 VAI (2s)-2-amino-3-methylbutane-1,1-diol 0.700 61 VAL Valine 0.700 62 VDL (2r,3r)-2,3-diaminobutanoic acid 0.700 63 VLL (2s)-2,3-diaminobutanoic acid 0.700 64 ZTK (2s)-2-amino-3-cyanopropanoic acid 0.700