title: Polypeptide models of collagen. Synthesis of (Pro-Pro-beta-Ala)n.
mesh_terms: D000409:Alanine / Q000138:chemical synthesis; D000595:Amino Acid Sequence; D002850:Chromatography, Gel; D002942:Circular Dichroism; D003094:Collagen; D008970:Molecular Weight; D009905:Optical Rotatory Dispersion; D010455:Peptides / Q000138:chemical synthesis*; D011392:Proline / Q000138:chemical synthesis; D011487:Protein Conformation
chemical_list: D010455:Peptides; D003094:Collagen; D011392:Proline; D000409:Alanine