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Figure 9.
Figure 9. Structure of the [d(5mCCTTTACC)][2] i-motif. (a)
Schematic representation of [d(5mCCTTTACC)][2]. The cytidine
color-coding is the same as in the schematic representation in
Figure 5b, A6 is in green, T3 is in purple, and T4 and T5 are in
blue. The C2 symmetry axis passes through the two non-equivalent
narrow grooves. (b) View of the lowest-energy conformer looking
into the wide groove. (c) View of a superposition of the eight
lowest-energy conformers of [d(5mCCTTTACC)][2], looking into the
narrow groove defined by the 5mC1-C2 segments.
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