1 0XL 2-amino-2-ethylbutanoic acid 1.000 2 X60 2-ethyl-L-norvaline 0.900 3 X6E 2-ethyl-D-norvaline 0.900 4 6ZS L-isovaline 0.889 5 DIV D-isovaline 0.889 6 B5I 2-propyl-L-norvaline 0.818 7 A1A8T 3-methyl-L-isovaline 0.800 8 A3B D-vinylglycine 0.778 9 ABA Alpha-aminobutyric acid 0.778 10 AIB Alpha-aminoisobutyric acid 0.778 11 DBB D-alpha-aminobutyric acid 0.778 12 DBU (2z)-2-aminobut-2-enoic acid 0.778 13 LPG (2s)-2-aminobut-3-ynoic acid 0.778 14 LVG L-vinylglycine 0.778 15 MB8 (2z)-2-methylbut-2-enoic acid 0.778 16 SMB 2-methylbutanoic acid 0.778 17 0A0 2-methyl-L-aspartic acid 0.727 18 2JN 2-methyl-D-norleucine 0.727 19 2ML 2-methylleucine 0.727 20 2PP 2-propyl-pentanoic acid 0.727 21 MK8 2-methyl-L-norleucine 0.727 22 03Y 2-methyl-L-cysteine 0.700 23 2AG (2s)-2-aminopent-4-enoic acid 0.700 24 2TL D-allothreonine 0.700 25 4FO (2r)-2,4-diaminobutanoic acid 0.700 26 7OZ (S)-2-amino-4-fluorobutanoic acid 0.700 27 A1CIL (2r)-2-amino-3-methylbut-3-enoic acid 0.700 28 AKB 2-amino-3-ketobutyric acid 0.700 29 ALO Allo-threonine 0.700 30 AS2 (2r)-2-amino-4-oxobutanoic acid 0.700 31 BB6 (2z)-2-amino-3-sulfanylbut-2-enoic acid 0.700 32 CG6 Beta-methyl-cysteine 0.700 33 DAB 2,4-diaminobutyric acid 0.700 34 DTH D-threonine 0.700 35 DVA D-valine 0.700 36 DYL (2r)-2-aminopent-4-enoic acid 0.700 37 EE0 (2~{R})-2-azanylpentanoic acid 0.700 38 EW6 Alpha-methyl-L-serine 0.700 39 F9D (2r)-2-aminopent-4-ynoic acid 0.700 40 HCS 2-amino-4-mercapto-butyric acid 0.700 41 HSE L-homoserine 0.700 42 KCY D-homocysteine 0.700 43 LPH L-propargylglycine 0.700 44 MOZ (2z)-2-amino-3-hydroxybut-2-enoic acid 0.700 45 NVA Norvaline 0.700 46 Q3S (2r,3s)-2,3-diaminobutanoic acid 0.700 47 RXL Dehydrovaline 0.700 48 T9E Selenothreonine 0.700 49 THR Threonine 0.700 50 VAI (2s)-2-amino-3-methylbutane-1,1-diol 0.700 51 VAL Valine 0.700 52 VDL (2r,3r)-2,3-diaminobutanoic acid 0.700 53 VLL (2s)-2,3-diaminobutanoic acid 0.700 54 ZTK (2s)-2-amino-3-cyanopropanoic acid 0.700