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. 2009 Nov 5;38(2):428–440. doi: 10.1093/nar/gkp844

Figure 5.

Figure 5.

Base pair stacking interactions of the cis-(5R,6S) Tg lesion. Comparison stacking interactions in which Tg CH3 is in the axial (PDB ID 2KH5) or equatorial (PDB ID 2KH6) conformations. The top panel shows the G5• C20 base pair (black) stacked above the X6• A19 base pair (Tg is colored red and A19 is colored gray). The center panel shows the orientation of the X6 lesion (red) with respect the complementary nucleotide A19 (black). The bottom panel shows the X6• A19 base pair (Tg is colored red and A19 is colored black) stacked above the G7• C18 base pair (grey).