Box-and-whisker plots for the Bayesian estimates of C50k for the wild type, heterozygote, and homozygous mutants. The median (range) values for the wild type, heterozygous mutant, and homozygous mutants are 2.14 mg/liter (0.93 to 8.63 mg/liter), 26.24 mg/liter (5.86 to 49.99 mg/liter), and 39.46 mg/liter (13.57 to 125.87 mg/liter), respectively.