3.2.2.9 5'-deoxyadenosine + H2O = 5-deoxy-D-ribose + adenine (2) - 3.2.2.9 S-adenosyl-L-homocysteine + H2O = S-(5-deoxy-D-ribos-5-yl)-L-homocysteine + adenine - - 3.2.2.9 S-adenosyl-L-homocysteine + H2O = S-(5-deoxy-D-ribos-5-yl)-L-homocysteine + adenine (1) - 3.2.2.9 S-adenosyl-L-homocysteine + H2O = S-(5-deoxy-D-ribos-5-yl)-L-homocysteine + adenine early SN1 transition state with significant N-glycosidic bond order at the transition state 680360 3.2.2.9 S-adenosyl-L-homocysteine + H2O = S-(5-deoxy-D-ribos-5-yl)-L-homocysteine + adenine mechanism 656196 3.2.2.9 S-methyl-5'-thioadenosine + H2O = 5-(methylsulfanyl)-D-ribose + adenine (3) -