title: Block copolymers of amino acids. I. Synthesis and structure of copolymers of L-alanine or L-phenylalanine with D,L-Lysine-d7 or D,L-lysine.
mesh_terms: D000409:Alanine; D008239:Lysine; D008968:Molecular Conformation; D010455:Peptides / Q000138:chemical synthesis; D010649:Phenylalanine
chemical_list: D010455:Peptides; D010649:Phenylalanine; D008239:Lysine; D000409:Alanine