title: Sulfur-containing polypeptides. XVIII. Unambiguous synthesis of the parallel and antiparallel isomers of some bis-cystine peptides.
mesh_terms: D000595:Amino Acid Sequence; D002918:Chymotrypsin; D003553:Cystine; D007536:Isomerism; D010455:Peptides / Q000138:chemical synthesis*; D014357:Trypsin
chemical_list: D010455:Peptides; D003553:Cystine; D002918:Chymotrypsin; D014357:Trypsin