FIGURE 7.
Wu–Kabat variability coefficient plot of PR, RT, and IN group M sequences. (A) Wu–Kabat variability coefficient plot of PR (99 aa). (B) Wu–Kabat variability coefficient plot of RT (440 aa). (C) Wu–Kabat variability coefficient plot of IN (288 aa). X-axis, amino acid position; Y-axis, WK variability coefficient.