Extended Data Fig. 10: More abundant and larger protein families are under more intense selection.

Legend: (a) dN/dS within each protein family, with protein families split into 5 abundance quintiles, showing a downward trend with abundance (higher negative selection). (b) dN/dS within each gene size category, similarly showing a downward trend with size. Categories are defined by increasing size, with each bin representing the same number of unigenes. Boxplots show quartiles and ranges (see Methods).