title: Polypeptides. XIX. The synthesis of some sequential polypeptides of  -methyl aspartate and  -methyl glutamate.
mesh_terms: D000595:Amino Acid Sequence; D001224:Aspartic Acid; D004952:Esters; D005971:Glutamates; D008722:Methods; D008745:Methylation; D008970:Molecular Weight; D010455:Peptides / Q000138:chemical synthesis*
chemical_list: D004952:Esters; D005971:Glutamates; D010455:Peptides; D001224:Aspartic Acid