title: Correlation between circular dichroism data and biological activities of 2,5 substituted enkephalin analogues.
mesh_terms: D000818:Animals; D055598:Chemical Phenomena; D002621:Chemistry; D002942:Circular Dichroism; D004723:Endorphins / Q000494:pharmacology*; D004745:Enkephalins / Q000032:analysis / Q000494:pharmacology*; D006168:Guinea Pigs; D007082:Ileum / Q000187:drug effects; D066298:In Vitro Techniques; D008297:Male; D051379:Mice; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects; D011957:Receptors, Opioid / Q000187:drug effects; D013329:Structure-Activity Relationship; D014649:Vas Deferens / Q000187:drug effects
chemical_list: D004723:Endorphins; D004745:Enkephalins; D011957:Receptors, Opioid