title: The evolution of proteins.
mesh_terms: D000595:Amino Acid Sequence; D000596:Amino Acids / Q000032:analysis; D000818:Animals; D001412:Bacillus subtilis / Q000032:analysis; D003580:Cytochromes / Q000032:analysis; D006801:Humans; D008956:Models, Chemical; D010944:Plants / Q000032:analysis; D011392:Proline / Q000032:analysis; D011506:Proteins / Q000032:analysis*; D013045:Species Specificity; D013997:Time Factors
chemical_list: D000596:Amino Acids; D003580:Cytochromes; D011506:Proteins; D011392:Proline