Figure 2
From: Conservation of structure and activity in Plasmodium purine nucleoside phosphorylases
![Figure 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1472-6807-9-42/MediaObjects/12900_2009_Article_262_Fig2_HTML.jpg)
Overall structure of Pv PNP. The ribbon diagram shows a monomer of Pv PNP with the secondary structure elements labelled. The bottom panel shows the assembled hexamer with each subunit in a different colour, viewed perpendicular to the three-fold axis.