Figure 6 - full size

Figure 6.
Intermolecular contacts seen in aCDT-1 (A), aCDT-2 (B), and hCDT (C). Amino acid residues that contact holotoxin within 7 A are illustrated with a ball-and-stick presentation. The common intermolecular contact areas around residues 141 and 187 are shown by large yellow circles.