1 NZC N-methylidene-L-threonine 1.000 2 2QZ N,N-dimethyl-L-threonine 0.900 3 A1L3I (2~{S})-3-methyl-2-(methylamino)-3-oxidanyl-butanoic acid 0.900 4 5JP N-methyl-L-serine 0.889 5 DSE N-methyl-D-serine 0.889 6 MDH N-methyldehydrobutyrine 0.889 7 THC N-methylcarbonylthreonine 0.818 8 U6A N-carboxy-L-threonine 0.818 9 A1L7N N-methyl-L-norvaline 0.800 10 MV9 (2~{R})-3-methyl-2-(methylamino)butanoic acid 0.800 11 MVA N-methylvaline 0.800 12 SNM N,N-dimethyl-L-serine 0.800 13 33X N-methyl-D-alanine 0.778 14 3HL (3s)-3-hydroxybutanoic acid 0.778 15 3HR (3r)-3-hydroxybutanoic acid 0.778 16 AAE Acetoacetic acid 0.778 17 DAM N-methyl-alpha-beta-dehydroalanine 0.778 18 MAA N-methyl-L-alanine 0.778 19 66E N-ethyl-L-valine 0.727 20 9KK N-methyl norleucine 0.727 21 A1AMC (2s)-2-(methylamino)pentane-1,1,5-triol 0.727 22 DNM N-methyl-D-norleucine 0.727 23 FVA N-formyl-L-valine 0.727 24 GZJ (2s)-2-(acetylamino)butanoic acid 0.727 25 IML N-methyl-isoleucine 0.727 26 MLE N-methylleucine 0.727 27 MLU N-methyl-D-leucine 0.727 28 MME N-methyl methionine 0.727 29 O7G N,N-dimethyl-L-valine 0.727 30 OEM N-methyl-D-aspartic acid 0.727 31 OTH N,O-dimethyl-L-threonine 0.727 32 SAC N-acetyl-serine 0.727 33 SOQ N-methyl-L-aspartic acid 0.727 34 WZJ N-methyl-L-alloisoleucine 0.727 35 2TL D-allothreonine 0.700 36 A1IFF (R)-amino-3-hydroxybutanoic acid 0.700 37 A1IFH (S)-amino-3-hydroxybutanoic acid 0.700 38 AKB 2-amino-3-ketobutyric acid 0.700 39 ALO Allo-threonine 0.700 40 DTH D-threonine 0.700 41 LAL N,N-dimethyl-L-alanine 0.700 42 MOZ (2z)-2-amino-3-hydroxybut-2-enoic acid 0.700 43 NCY N-methylcysteine 0.700 44 OGU 2,3-dioh-butyric acid 0.700 45 QT8 3-oxidanylidenepentanoic acid 0.700 46 THR Threonine 0.700