© 2004 by Oxford University Press
Chemical and biological consequences of locking the conformation of nucleosides at the two antipodal extremes of the pseudorotational cycle
Laboratory of Medicinal Chemistry, Center for Cancer Research, National Cancer Institute-Frederick, National Institutes of Health, Frederick, MD 21702, USA
It is shown that in spite of the low energy barrier for the North (N)/South (S) equilibrium in nucleosides, enzymes show measurable differences in binding and/or catalytic activity between the two antipodal conformations.