title: IUPAC-IUB Commission on Biochemical Nomenclature. Abbreviations and symbols for the description of the conformation of polypeptide chains. Tentative rules (1969).
mesh_terms: D001671:Biochemistry / Q000592:standards*; D010455:Peptides; D009626:Terminology as Topic / Q000592:standards*
chemical_list: D010455:Peptides