1 OBF (2s)-2-amino-4,4-difluorobutanoic acid 1.000 2 3EG (2s)-2-amino-4,4,4-trifluorobutanoic acid 0.900 3 7OZ (S)-2-amino-4-fluorobutanoic acid 0.889 4 A1AVU (3s)-4-fluoro-L-valine 0.800 5 A3B D-vinylglycine 0.778 6 ABA Alpha-aminobutyric acid 0.778 7 DBB D-alpha-aminobutyric acid 0.778 8 DBU (2z)-2-aminobut-2-enoic acid 0.778 9 LPG (2s)-2-aminobut-3-ynoic acid 0.778 10 LVG L-vinylglycine 0.778 11 2AG (2s)-2-aminopent-4-enoic acid 0.700 12 2TL D-allothreonine 0.700 13 4FO (2r)-2,4-diaminobutanoic acid 0.700 14 6ZS L-isovaline 0.700 15 A1CIL (2r)-2-amino-3-methylbut-3-enoic acid 0.700 16 AKB 2-amino-3-ketobutyric acid 0.700 17 ALO Allo-threonine 0.700 18 AS2 (2r)-2-amino-4-oxobutanoic acid 0.700 19 BB6 (2z)-2-amino-3-sulfanylbut-2-enoic acid 0.700 20 CG6 Beta-methyl-cysteine 0.700 21 DAB 2,4-diaminobutyric acid 0.700 22 DIV D-isovaline 0.700 23 DTH D-threonine 0.700 24 DVA D-valine 0.700 25 DYL (2r)-2-aminopent-4-enoic acid 0.700 26 EE0 (2~{R})-2-azanylpentanoic acid 0.700 27 F9D (2r)-2-aminopent-4-ynoic acid 0.700 28 HCS 2-amino-4-mercapto-butyric acid 0.700 29 HSE L-homoserine 0.700 30 KCY D-homocysteine 0.700 31 LPH L-propargylglycine 0.700 32 MOZ (2z)-2-amino-3-hydroxybut-2-enoic acid 0.700 33 NVA Norvaline 0.700 34 Q3S (2r,3s)-2,3-diaminobutanoic acid 0.700 35 RXL Dehydrovaline 0.700 36 T9E Selenothreonine 0.700 37 THR Threonine 0.700 38 VAI (2s)-2-amino-3-methylbutane-1,1-diol 0.700 39 VAL Valine 0.700 40 VDL (2r,3r)-2,3-diaminobutanoic acid 0.700 41 VLL (2s)-2,3-diaminobutanoic acid 0.700 42 WIY 4,4,4-trifluorobutan-1-ol 0.700 43 ZTK (2s)-2-amino-3-cyanopropanoic acid 0.700