Unexpected inhibition of S-adenosyl-l-homocysteine hydrolase by a guanosine nucleoside

Bioorganic & Medicinal Chemistry Letters
2003.0

Abstract

A series of shape-modified flexible nucleosides ('fleximers', 1, 2, and 3) was modeled, synthesized and subsequently assayed against S-adenosyl-L-homocysteine hydrolase (SAHase). No inhibitory activity was observed for the adenosine fleximer, which served as a substrate, but moderate inhibitory activity was exhibited by the guanosine fleximers. This is the first known report of a guanosine nucleoside analogue possessing activity against SAHase.

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