Ion Selectivity in a Semisynthetic K+ Channel Locked in the Conductive Conformation.
Valiyaveetil, F.I., Leonetti, M., Muir, T.W., Mackinnon, R.(2006) Science 314: 1004-1007
- PubMed: 17095703 
- DOI: 10.1126/science.1133415
- Primary Citation of Related Structures:  
- PubMed Abstract: 
Potassium channels are K+-selective protein pores in cell membrane. The selectivity filter is the functional unit that allows K+ channels to distinguish potassium (K+) and sodium (Na+) ions. The filter's structure depends on whether K+ or Na+ ions ar ...