Figure 6.

Table of CNF results. Black numbers indicate the amino acid joining-site residues for the chimeras; the joining site that is most efficient for that chimera is bold. The shade of the cell indicates how the ratio of EC₅₀ value of the best chimera of that type compares with the native CNF toxin with the same cargo as shown in Table 1. Cutoffs are as follows: Less Efficient > 4 > Comparable Efficiencies > 0.4 > More Efficient.