Figure 3 - full size

 

Figure 3.
Fig. 3. Stereo representation of the FeMo-cofactor with the central ligand modeled as a nitrogen atom. The electron density map shown is a weighted 2F[o] F[c] map of the 1.16 Å resolution structure of dithionite-reduced A. vinelandii MoFe-protein contoured at 3 .

The above figure is reprinted by permission from the AAAs: Science (2002, 297, 1696-1700) copyright 2002.