Figure 2 - full size

 

Figure 2.
Figure 2. Stereo views of (a) the STNA C a trace (which has every tenth C a atom numbered) and (b) the B/Beijing monomer C a trace in the same orientation. The regions of the molecules which are within 1.5 Å in this superimposition are coloured red, the rest, black. A DANA molecule marks the position of the active site.

The above figure is reprinted by permission from Elsevier: J Mol Biol (1996, 259, 264-280) copyright 1996.