title: Synthesis, characterization, and structural properties of linear and cyclic enkephalin pseudopeptide diastereomers.
mesh_terms: D004743:Enkephalin, Leucine / Q000031:analogs & derivatives* / Q000138:chemical synthesis; D016308:Enkephalin, Leucine-2-Alanine / Q000031:analogs & derivatives*; D004745:Enkephalins / Q000138:chemical synthesis*; D007202:Indicators and Reagents; D010456:Peptides, Cyclic / Q000138:chemical synthesis*; D013237:Stereoisomerism; D013329:Structure-Activity Relationship
chemical_list: D004745:Enkephalins; D007202:Indicators and Reagents; D010456:Peptides, Cyclic; C048759:tyrosyl-alanyl-glycyl-phenylalanyl-psi(thiomethylene)leucine; C048758:tyrosyl-cyclo(lysyl-glycyl-phenylalanyl-psi(thiomethylene)leucine); D004743:Enkephalin, Leucine; D016308:Enkephalin, Leucine-2-Alanine