Figure 2 - full size

 

Figure 2.
Figure 2. Ribbon diagram of the crystal structure of the complex between OMTKY3 and SC. OMTKY3 is colored tan and SC is blue. The ion (calcium) binding sites are shown as yellow spheres.

The above figure is reprinted by permission from Elsevier: J Mol Biol (2003, 331, 497-508) copyright 2003.