Figure 1 - full size

 

Figure 1.
FIG. 1. A, chemical structures of G-AF and G-AAF. dR, deoxyribose ring. The proton and the N-acetyl group that differentiate G-AF from G-AAF are shown in orange. B, schematic of the polymerase active site. Sites through which the template base (red) traverses during replication are shown (see the Introduction for description).

The above figure is reprinted by permission from the ASBMB: J Biol Chem (2004, 279, 50280-50285) copyright 2004.