Figure 1 - full size

 

Figure 1.
Figure 1: Modes of base pairing for 8oxoG. a, Oxidation of guanine at C8 by reactive oxygen species (ROS). b, 8oxoG in a Watson-Crick base pair with dC. Dashed lines indicate potential hydrogen bonds. c, 8oxoG (syn) in a Hoogsteen base pair with dA (anti).

The above figure is reprinted by permission from Macmillan Publishers Ltd: Nature (2004, 431, 217-221) copyright 2004.