Abstract
Inhibition of 5-phosphoribosyl-1-pyrophosphate synthetase by the monophosphate metabolite of 4-amino-8-(beta-D-ribofuranosylamino)pyrimido[5,4-d]pyrimidine: a novel mechanism for antitumor activity.
D W Fry, T J Boritzki, R C Jackson, P D Cook and W R Leopold
Molecular Pharmacology August 1993, 44 (2) 479-485;