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Cover Figure

COVER This week features a Perspective on a potassium channel subunit that can act as a redox enzyme, modulating channel inactivation. The image depicts the Kv1.4-Kvβ K+ channel complex. [Image: Stefan H. Heinemann, Friedrich Schiller University Jena, and Toshinori Hoshi, University of Pennsylvania]

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Science Signaling. ISSN 1937-9145 (online), 1945-0877 (print). Pre-2008: Science's STKE. ISSN 1525-8882