Figure 4 - full size

 

Figure 4.
Figure 4. A stereo view of the side-chain and heme group packing around fine tuning site Val133 (H11). The structures of α-subunit (gray), β-subunit (blue) and chimera subunit (yellow) are superimposed.

The above figure is reprinted by permission from Elsevier: J Mol Biol (1999, 287, 369-382) copyright 1999.