Forty sites of TRP channel regulation

Area of Science:

• Structural biology
• Molecular sensors
• Ion channel function

Background:

• Transient receptor potential (TRP) channels are polymodal molecular sensors.
• TRP channels are implicated in numerous human diseases, including cancers.
• TRP channels are significant drug targets.

Purpose of the Study:

• To review recent progress in TRP channel structural biology.
• To describe identified binding sites for small molecules.
• To provide a roadmap for designing new therapeutic molecules.

Main Methods:

• Cryo-electron microscopy (cryo-EM) advances.
• Structural analysis of TRP channels.
• Identification of ligand binding sites and protein interactions.

Main Results:

• Numerous TRP channel structures in complex with potential therapeutic ligands have been determined.
• Identified binding sites for small molecules and their relationship with membrane lipids.
• Characterized protein-protein interaction interfaces.

Conclusions:

• Characterized binding sites and interfaces offer diverse druggable targets.
• Structural insights provide a roadmap for designing molecules to modulate TRP channel function.
• Advances in structural biology are crucial for developing new TRP channel-targeted therapies.