Figure 2 - full size

 

Figure 2.
Figure 2 Ribbon illustration of the crystal structure of drUNG. The nitrate molecules are shown as ball-and-stick representations in atom colour, with the one bound in the active site labelled in bold.

The above figure is reprinted by permission from the IUCr: Acta Crystallogr D Biol Crystallogr (2005, 61, 1049-1056) copyright 2005.