title: Conformational studies on peptides. X-ray structure determinations of six N-methylated cyclic dipeptides derived from alanine, valine, and phenylalanine.
mesh_terms: D000409:Alanine; D004151:Dipeptides; D010456:Peptides, Cyclic; D010649:Phenylalanine; D010879:Piperazines; D011487:Protein Conformation; D014633:Valine; D014961:X-Ray Diffraction
chemical_list: D004151:Dipeptides; D010456:Peptides, Cyclic; D010879:Piperazines; D010649:Phenylalanine; D014633:Valine; D000409:Alanine