Figure 4
Helices built using the right-click `quick action' menu. This helical substructure, computed in a few seconds on a single desktop workstation, was built into a 3.0 Å resolution electron-density map calculated from the experimental data associated with PDB entry 1c48 (345 residues; mutated shiga-like toxin; Ling et al., 1998BB13).  [article HTML]