Figure 1 - full size

 

Figure 1.
Figure 1 A region of the final 2F[o] - F[c] electron-density map contoured at 1.5 and the corresponding refined model. The diagram was produced using the program O (Jones et al., 1991[Jones, T. A., Zou, J., Cowan, S. W. & Kjeldgaard, M. (1991). Acta Cryst. A47, 110-119.]).

The above figure is reprinted by permission from the IUCr: Acta Crystallogr D Biol Crystallogr (2001, 57, 1793-1798) copyright 2001.