Structural Conservation in Prokaryotic and Eukaryotic Potassium Channels MacKinnon, Roderick ; Cohen, Steven L. ; Kuo, Anling ; Lee, Alice ; Chait, Brian T. Abstract Publication: Science Pub Date: April 1998 DOI: 10.1126/science.280.5360.106 Bibcode: 1998Sci...280..106M