title: Crystal structure and conformation of the cyclic dipeptide cyclo-L-prolyl-L-leucyl.
mesh_terms: D000595:Amino Acid Sequence; D003461:Crystallography; D004151:Dipeptides; D007930:Leucine; D010456:Peptides, Cyclic; D011392:Proline; D011487:Protein Conformation; D013329:Structure-Activity Relationship
chemical_list: D004151:Dipeptides; D010456:Peptides, Cyclic; D011392:Proline; D007930:Leucine