1 ABU Gamma-amino-butanoic acid 1.000 2 0W6 (4s)-4-aminopentanoic acid 0.875 3 42B 4-amino-2-hydroxybutanoic acid 0.875 4 4FO (2r)-2,4-diaminobutanoic acid 0.875 5 DAB 2,4-diaminobutyric acid 0.875 6 ZTK (2s)-2-amino-3-cyanopropanoic acid 0.875 7 4HA 4-hydroxybutan-1-aminium 0.857 8 BEO Butenoic acid 0.857 9 BUA Butanoic acid 0.857 10 41Q 4-imino-L-homoserine 0.778 11 ASN Asparagine 0.778 12 DSG D-asparagine 0.778 13 EUP 4-amino-L-allothreonine 0.778 14 GAU (4s)-4-amino-5-hydroxypentanoic acid 0.778 15 GEG (4e)-4-aminohex-4-enoic acid 0.778 16 HOZ (4s)-4,5-diaminopentanoic acid 0.778 17 PRW (2r,3r)-4-amino-2,3-dihydroxybutanoic acid 0.778 18 VIG 4-amino hexanoic acid 0.778 19 XSN L-alpha-asparagine 0.778 20 2KT 2-ketobutyric acid 0.750 21 39J (2s)-2-chlorobutanoic acid 0.750 22 3HL (3s)-3-hydroxybutanoic acid 0.750 23 3HR (3r)-3-hydroxybutanoic acid 0.750 24 54L Pent-4-ynoic acid 0.750 25 9TS (2e)-pent-2-enoic acid 0.750 26 A3B D-vinylglycine 0.750 27 AAE Acetoacetic acid 0.750 28 ABA Alpha-aminobutyric acid 0.750 29 B3A (3s)-3-aminobutanoic acid 0.750 30 DBB D-alpha-aminobutyric acid 0.750 31 DBU (2z)-2-aminobut-2-enoic acid 0.750 32 DK9 Pentane-1,1-diol 0.750 33 H00 4-sulfanylbutanoic acid 0.750 34 IVA Isovaleric acid 0.750 35 LEA Pentanoic acid 0.750 36 LPG (2s)-2-aminobut-3-ynoic acid 0.750 37 LVG L-vinylglycine 0.750 38 MB8 (2z)-2-methylbut-2-enoic acid 0.750 39 SMB 2-methylbutanoic acid 0.750 40 SSN 4-oxobutanoic acid 0.750 41 SY8 5-azanylpentan-2-one 0.750 42 UCU (2r)-2-oxidanylbutanoic acid 0.750 43 1BO 1-butanol 0.714 44 9A4 (2z)-but-2-en-1-ol 0.714 45 9A7 (2e)-but-2-en-1-ol 0.714 46 AKR Acrylic acid 0.714 47 CRD (2e)-but-2-enal 0.714 48 DK6 Propane-1,1-diol 0.714 49 LYT Butylamine 0.714 50 PPI Propanoic acid 0.714 51 0JT (4r)-4-amino-5-methylhexanoic acid 0.700 52 2IT (2z)-2-iminopentanedioic acid 0.700 53 AHB Beta-hydroxyasparagine 0.700 54 B2N (2s)-4-amino-2-(aminomethyl)-4-oxobutanoic acid 0.700 55 CE7 (3s)-3-amino-4,4,4-trihydroxybutanamide 0.700 56 DGL D-glutamic acid 0.700 57 FGA Gamma-D-glutamic acid 0.700 58 GGL Gamma-L-glutamic acid 0.700 59 GLJ 5,5-dihydroxy-L-norvaline 0.700 60 GLK (4s)-4-amino-5,5-dihydroxypentanoic acid 0.700 61 GLU Glutamic acid 0.700 62 GMA 4-amido-4-carbamoyl-butyric acid 0.700 63 MKE (4s)-4-amino-5-oxohexanoic acid 0.700 64 OWF (3s)-3-hydroxy-D-asparagine 0.700 65 ZGL D-alpha-glutamine 0.700