Figure 4 - full size

 

Figure 4.
Figure 4 Ribbon representation of the final IL-1 model, with side chains drawn in ball-and-stick representation. The -strands are coloured blue, -helices red and loop regions grey. The termini are labelled. The final F[o] - F[c] simulated-annealing omit maps around the F42W and W120F mutated residues are contoured at 2.5 .

The above figure is reprinted by permission from the IUCr: Acta Crystallogr D Biol Crystallogr (2003, 59, 290-298) copyright 2003.