title: Sequential polypeptides. IV. The synthesis of poly-(L-alanylglycyl-L-proline) and its stereoisomers.
mesh_terms: D000409:Alanine / Q000138:chemical synthesis*; D000595:Amino Acid Sequence; D002850:Chromatography, Gel; D005998:Glycine / Q000138:chemical synthesis*; D009682:Magnetic Resonance Spectroscopy; D008970:Molecular Weight; D009904:Optical Rotation; D010455:Peptides / Q000138:chemical synthesis*; D011392:Proline / Q000138:chemical synthesis*; D013055:Spectrophotometry, Infrared; D013237:Stereoisomerism; D014783:Viscosity
chemical_list: D010455:Peptides; D011392:Proline; D000409:Alanine; D005998:Glycine