1 SXZ (2s)-4-({[(2s,3s,4r,5r)-5-(6-amino-9h-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl]methyl}sulfanyl)-2-[(3-methylbutanoyl)amino]butanoic acid 1.000 2 U4Y (2s)-4-({[(2s,3s,4r,5r)-5-(6-amino-9h-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl]methyl}sulfanyl)-2-{[(2e)-3-(cis-4-hydroxycyclohexa-2,5-dien-1-yl)prop-2-enoyl]amino}butanoic acid 0.769 3 SAH S-adenosyl-L-homocysteine 0.758 4 SAO 5'-S-[(3s)-3-azaniumyl-3-carboxypropyl]-5'-thioadenosine 0.758 5 SAM S-adenosylmethionine 0.735 6 A7D 5'-S-[(3r)-3,4-dihydroxybutyl]-5'-thioadenosine 0.727 7 S7M [(3s)-3-amino-3-carboxypropyl]{[(2s,3s,4r,5r)-5-(6-amino-9h-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl]methyl}ethyls ulfonium 0.714 8 SIB (2s)-2-amino-4-({[(2s,3s,4r,5r)-3,4-dihydroxy-5-(6-oxo-1,6-dihydro-9h-purin-9-yl)tetrahydrofuran-2-yl]methyl}thio)butanoic acid 0.706