Figure 3 - full size

 

Figure 3.
FIG. 3. Stereo overlay of the heme pocket of tuna Hb and HbA. The deoxy form (pH 7.5) (a) and the CO form (b) are shown. HbA is shown in blue, and the residue numbers of the human protein are shown in brackets. The atoms and bonds of tuna Hb are colored by atom type as follows: yellow, carbon; red, oxygen; blue, nitrogen.

The above figure is reprinted by permission from the ASBMB: J Biol Chem (2004, 279, 28632-28640) copyright 2004.