title: The homology of collagens.
mesh_terms: D000595:Amino Acid Sequence; D000596:Amino Acids / Q000032:analysis; D000818:Animals; D005075:Biological Evolution; D003094:Collagen; D005796:Genes; D009154:Mutation; D011077:Polychaeta; D011336:Probability
chemical_list: D000596:Amino Acids; D003094:Collagen