title: Direct synthesis of polypeptides. Polycondensation of alpha-amino acids by polymetaphosphate esters.
mesh_terms: D000596:Amino Acids; D005075:Biological Evolution; D002854:Chromatography, Paper; D007536:Isomerism; D007930:Leucine; D008954:Models, Biological; D008970:Molecular Weight; D010455:Peptides / Q000138:chemical synthesis*; D010649:Phenylalanine; D010756:Phosphoric Acids; D010879:Piperazines; D012694:Serine; D012995:Solubility; D013055:Spectrophotometry, Infrared; D014633:Valine
chemical_list: D000596:Amino Acids; D010455:Peptides; D010756:Phosphoric Acids; D010879:Piperazines; D012694:Serine; D010649:Phenylalanine; D007930:Leucine; D014633:Valine