Figure 2 - full size

 

Figure 2.
Figure 2. Putative catalytic site including Mg^2+ (major site) is shown. The Mg^2+ is coordinated to an ordered water molecule, a formate, two glutamate, a glutamine, aspartate residues forming a square-bi-pyramid conformation.

The above figure is reprinted by permission from John Wiley & Sons, Inc.: Proteins (2002, 48, 427-430) copyright 2002.