Table 4.

Binding energies and distances between N7 of G6 and -CH2 of psorospermin in four enantiomers

PsorosperminBinding energy (kcal/mol)Distance between N7 of G6 and -CH2 of psorospermin (Å)
(2′R,3′R)−53.963.95
(2′R,3′S)−49.814.82
(2′S,3′R)−51.434.09
(2′S,3′S)−47.294.94