1-Deazaadenosine is a potent Adenosine deaminase inhibitor (Ki: 0.66 μM). It exhibits anti-cancer activities in vitro and has the potential to be a chemotherapy agent for lymphoproliferative disorders.
3-Deazaadenosine is an inhibitor of S-adenosylhomocysteine hydrolase, with a Ki of 3.9 µM, and it has anti-inflammatory, anti-proliferative and anti-HIV activity.