title: Darwinian evolution of proteins.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D005075:Biological Evolution; D004330:Drosophila; D004926:Escherichia coli; D005787:Gene Frequency; D005815:Genetic Code; D006168:Guinea Pigs; D007136:Immunoglobulins; D009154:Mutation; D010455:Peptides; D011336:Probability; D011506:Proteins; D012343:RNA, Transfer; D012614:Scurvy
chemical_list: D007136:Immunoglobulins; D010455:Peptides; D011506:Proteins; D012343:RNA, Transfer