Electron micrographs show postembedding immunogold labeling for K_V10.1 in MCF-7 cells (A–C), postnatal day 7 cerebellum (D–E) and adult pyramidal cells in CA1 (F–H).

<p>Gold particles are observed in the perinuclear inner membrane and/or adjacent to the ONM. N = Nucleus, Scale bars: 0.1 µm.