1 PRW (2r,3r)-4-amino-2,3-dihydroxybutanoic acid 1.000 2 42B 4-amino-2-hydroxybutanoic acid 0.889 3 A1IFF (R)-amino-3-hydroxybutanoic acid 0.889 4 A1IFH (S)-amino-3-hydroxybutanoic acid 0.889 5 OGU 2,3-dioh-butyric acid 0.889 6 23B (2s,3r)-2,3-dihydroxy-2-methylbutanoic acid 0.800 7 89V (2s)-2,3-dihydroxy-3-methylbutanoic acid 0.800 8 EAX (2r,3r)-2,3,4-trihydroxybutanoic acid 0.800 9 EUP 4-amino-L-allothreonine 0.800 10 LTH (2r,3s)-2,3,4-trihydroxybutanoic acid 0.800 11 QFH (2s,3s)-2,3-dihydroxy-2-methylbutanoic acid 0.800 12 THE Threonate ion 0.800 13 WTZ (2r,3r)-2,3-dihydroxy-2-methylbutanoic acid 0.800 14 WXU 3-hydroxy-3-methyl-2-oxobutanoic acid 0.800 15 X2X (2s)-2-hydroxy-2-methyl-3-oxobutanoic acid 0.800 16 XAI (2r)-2,3-dihydroxy-3-methylbutanoic acid 0.800 17 03W (2r)-propane-1,1,2,3-tetrol 0.778 18 2KT 2-ketobutyric acid 0.778 19 3HL (3s)-3-hydroxybutanoic acid 0.778 20 3HR (3r)-3-hydroxybutanoic acid 0.778 21 3PY 3-hydroxypyruvic acid 0.778 22 74I (z)-2,3-bis(oxidanyl)prop-2-enoic acid 0.778 23 AAE Acetoacetic acid 0.778 24 ABU Gamma-amino-butanoic acid 0.778 25 DE2 1-deoxy-L-erythrulose 0.778 26 DGY (2r)-2,3-dihydroxypropanoic acid 0.778 27 UCU (2r)-2-oxidanylbutanoic acid 0.778 28 YWF Gamma-aminobutenoic acid 0.778 29 A1LUT (3r)-3-hydroxy-asparagine 0.727 30 AHB Beta-hydroxyasparagine 0.727 31 DMV 2,3-dihydroxy-valerianic acid 0.727 32 F7C (2~{S})-2-oxidanyl-3-oxidanylidene-butanedioic acid 0.727 33 OWF (3s)-3-hydroxy-D-asparagine 0.727 34 SRT S,R meso-tartaric acid 0.727 35 TAR D(-)-tartaric acid 0.727 36 TLA L(+)-tartaric acid 0.727 37 0W6 (4s)-4-aminopentanoic acid 0.700 38 2TL D-allothreonine 0.700 39 3VB D-threitol 0.700 40 4FO (2r)-2,4-diaminobutanoic acid 0.700 41 69O 2-oxopentanoic acid 0.700 42 8A1 (2s)-2,3-dihydroxy-2-methylpropanoic acid 0.700 43 A1EJ2 D-erythrose 0.700 44 AKB 2-amino-3-ketobutyric acid 0.700 45 ALO Allo-threonine 0.700 46 DAB 2,4-diaminobutyric acid 0.700 47 DTH D-threonine 0.700 48 DTL L-treitol 0.700 49 KIV 3-methyl-2-oxobutanoic acid 0.700 50 LER L-erythrulose 0.700 51 LHV (2s)-2-hydroxy-3-methylbutanoic acid 0.700 52 MAK Alpha-ketomalonic acid 0.700 53 MOZ (2z)-2-amino-3-hydroxybut-2-enoic acid 0.700 54 MRY Meso-erythritol 0.700 55 OXP 2-oxo-3-pentenoic acid 0.700 56 QT8 3-oxidanylidenepentanoic acid 0.700 57 THR Threonine 0.700 58 TTN Tartronate 0.700 59 UE3 (2r)-2-oxidanylpentanoic acid 0.700 60 VAD Deaminohydroxyvaline 0.700 61 VGX 4-hydroxy-2-oxobutanoic acid 0.700 62 ZTK (2s)-2-amino-3-cyanopropanoic acid 0.700