Figure 3 - full size

 

Figure 3.
Figure 3. The 2F[o] -F[c] electron densitiy (s=1.5) around the active site of A. aeolicus lumazine synthase in complex with the product analogue 6,7-dioxo-5H-8-ribitylaminolumazine (RDL). The average B-factor of water molecules, indicated by red spheres, is below 21 Å2.

The above figure is reprinted by permission from Elsevier: J Mol Biol (2003, 328, 167-182) copyright 2003.