TABLE 2.

Low-energy conformational domains of 10S(+) and 10R(−)-trans-anti-(BP)-N⁶-dA adducts

			β′ (°) (C6-N6-C10(BP)-C9(BP))
Domain	χ (°) (O4′-C1′-N9-C4)	α′ (°) (N1-C6-N6-C10(BP))	(+) adduct	(−) adduct
I	0–60	0 ± 35	−90 ± 40	90 ± 40
II	180–360	0 ± 35	−90 ± 40	90 ± 40
III	180–360	180 ± 35	−90 ± 40	90 ± 40
IV	0–60	180 ± 35	−90 ± 40	90 ± 40