Pairwise percent identity of human milk proteins with milk proteins of other species. Bars depict the average amino acid (AA) pairwise percent identity between human milk proteins and those of the species named on the x-axis. Note that human milk proteins are more similar to those of dog and bovine than to rodents and the other species depicted.
Lemay et al. Genome Biology 2009 10:R43 doi:10.1186/gb-2009-10-4-r43