title: Does the fixation of neutral mutations form a significant part of observed evolution in proteins?
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D005075:Biological Evolution; D002417:Cattle; D003580:Cytochromes; D005796:Genes; D005815:Genetic Code; D000882:Haplorhini; D006454:Hemoglobins / Q000032:analysis; D006801:Humans; D007448:Invertebrates; D009154:Mutation; D010944:Plants; D011506:Proteins; D011817:Rabbits; D012260:Ribonucleases / Q000032:analysis; D014714:Vertebrates
chemical_list: D003580:Cytochromes; D006454:Hemoglobins; D011506:Proteins; D012260:Ribonucleases