Figure 2.
Figure 2. Details of base pairs. (a) I C
base pair (I, green; C, yellow) with 2F[o] - F[c] map contoured
to 1.6 .
(b) I A
base pair (I, green; A, cyan) with 2F[o] - F[c] map contoured to
1.6 .
(c) I C
base pair with hydrogen bonds as dashed lines. (d) I A
base pairs (both anti-anti and syn-anti).
C
base pair (I, green; C, yellow) with 2F[o] - F[c] map contoured
to 1.6 
.
(b) I