title: Relationship between the amino acid compositions of   1 - and   2 -chains of collagens.
mesh_terms: D000400:Air Sacs / Q000032:analysis; D000595:Amino Acid Sequence; D000596:Amino Acids; D000818:Animals; D003094:Collagen; D005399:Fishes; D005815:Genetic Code; D006801:Humans; D051381:Rats; D012754:Sharks; D012867:Skin / Q000032:analysis
chemical_list: D000596:Amino Acids; D003094:Collagen