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Cover Figure

ONLINE COVER This week features a Research Article on the regulated activation through phosphorylation of the zinc channel ZIP7, which triggers the release of zinc from the endoplasmic reticulum. The image shows MCF-7 cells overexpressing recombinant ZIP7, demonstrating endoplasmic reticulum mesh and perinuclear staining. [Image: Kathryn Taylor, Cardiff University, Wales, UK]

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