Structural insights into the binding mode of the hypnotic drug vornorexant to orexin receptors.

Key Points

• The study aims to uncover the binding mode of vornorexant at orexin receptors to understand its high-affinity antagonism.
• Structural analysis of vornorexant binding to orexin receptors
• Assessment of steric hindrance during binding
• Comparison with other orexin receptor antagonists
• Vornorexant demonstrates high-affinity dual antagonism without steric hindrance.
• The structural basis of dual antagonism supports design strategies for new antagonists.
• Insights gained can inform future development of orexin-targeted therapies.