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