New Structures Reveal How Key Receptor Controls Energy Balance
Structural insights into ligand recognition and activation of the melanocortin-4 receptor.
Background
The melanocortin-4 receptor (MC4R) plays a crucial role in regulating energy homeostasis, impacting body weight and metabolism. However, its high similarity to other melanocortin receptors and a lack of specific structural details have hindered the development of targeted drugs for obesity. This study addresses the absence of high-resolution structural information for MC4R in its active state, which is essential for designing selective therapeutics.