Oligomeric and subunit structures of voltage-sensitive K+ channels in mammalian brain: J. O. Dolly,1J. Retting,2V. E. S. Scott,1J. N. Keen,3D. N. Parcej,1S. Sewing,2Z. M. Muniz,1J. B. C. Findlay3 and O. Pongs2 (1Department of Biochemistry, Imperial College, London, U.K.; 2Zentrum für Molekulare Neurobiologie, Institut für Neurale Signalverarbeitung, Hamburg, Germany; and 3Department of Molecular Biology and Biochemistry, University of Leeds, Leeds, U.K.)