Figure 1
(a) Quality of the electron-density map. The refined structure is represented by a thin wire. The map is contoured at the 1.0σ level. (b) Stereo diagram of the APE2540 protein. The secondary structures are coloured blue (α-helices) and red (β-strands). (c) Comparison of the structural homologues of the APE2540 protein. The three structures are coloured and oriented in the same direction as in Fig. 1(b). Figs. 1(b) and 1(c) were produced with Molscript (Kraulis, 1991) and Raster3D (Merritt & Bacon, 1997). |