title: Conformation of peptide chains containing both L- & D-residues. I. Helical structures with alternating L- & D-residues with special reference to the LD-ribbon & the LD-helices.
mesh_terms: D000409:Alanine; D000595:Amino Acid Sequence; D001665:Binding Sites; D006859:Hydrogen; D008961:Models, Structural; D008968:Molecular Conformation; D010455:Peptides; D013237:Stereoisomerism
chemical_list: D010455:Peptides; D006859:Hydrogen; D000409:Alanine