Cyclic Lactam Structure and Receptor Engagement MT-2s cyclic lactam structure formed by a bridge between Lys and Asp residues in the parent -MSH sequence locks the peptide into a conformation that maintains the critical His-Phe-Arg-Trp pharmacophore in an orientation that enables high-affinity binding across multiple melanocortin receptor subtypes
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Overdose risk escalates because both pathways suppress appetite, slow gastric emptying, and alter glucagon and insulin secretion simultaneously, compounding adverse effects
Ullrich IH, Peters PJ, Albrink MJ
[DOI] [PubMed] [Google Scholar] 17.Rohr-Udilova N., Sieghart W., Eferl R., Stoiber D., Bjorkhem-Bergman L., Eriksson L.C., Stolze K., Hayden H., Keppler B., Sagmeister S., et al