title: Crystal structure of a polyfunctional macrocyclic K+ complex provides a solid-state model of a K+ channel.
mesh_terms: D003461:Crystallography; D007473:Ion Channels; D008961:Models, Structural; D011108:Polymers; D011188:Potassium
chemical_list: D007473:Ion Channels; D011108:Polymers; D011188:Potassium