Figure 4 - full size

 

Figure 4.
Figure 4 Stereoview of the electron density (2F[o] - F[c], 1 ) (blue) and (F[o] - F[c], -3 ) (red) that results from phases of conformer 1 only, showing the fit of the inhibitor (2) in conformation 1 (red) and conformation 2 (yellow) in pcDHFR-NADP+ ternary complex. Diagram produced with CHAIN (Sack, 1988[Sack, J. S. (1988). J. Mol. Graph. 6, 244-245.]).

The above figure is reprinted by permission from the IUCr: Acta Crystallogr D Biol Crystallogr (2002, 58, 1393-1399) copyright 2002.