title: Evidence for gene duplication in collagen.
mesh_terms: D000595:Amino Acid Sequence; D001483:Base Sequence; D003094:Collagen / Q000096:biosynthesis; D004247:DNA / Q000378:metabolism; D005796:Genes; D008433:Mathematics; D008954:Models, Biological; D011487:Protein Conformation
chemical_list: D003094:Collagen; D004247:DNA