Figure 3 - full size

 

Figure 3.
Figure 3 PAP active site showing the major interacting residues. The secondary structure elements are color-coded as in Figure 1. Residues are shown in blue, except when they share structural homology with other proteins: orange (pol and KanNt), green (KanNt) and purple (T7 DNA polymerase). Hydrogen bonds are shown as dashed gray lines.

The above figure is reprinted from an Open Access publication published by Macmillan Publishers Ltd: EMBO J (2000, 19, 4193-4203) copyright 2000.