BK Channel Structural Hierarchy (image) Rockefeller University Press Caption Two studies in the Journal of General Physiology pave the way for a "shortcut" model-free approach to studying activation of polymodal ion channels like the BK voltage- and ligand-activated channel (structural hierarchy pictured here). Credit Image modified from: Pantazis, A., et al. 2010. J. Gen. Physiol. 136:645-657. Usage Restrictions Reporters may freely use these materials in news coverage, with the appropriate credit information. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.