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Cover Figure

COVER This week features a Perspective on roles for transcription factors outside of the nucleus. The image depicts CCAT, a proteolytic fragment of L-type Ca2+ channels that also acts as a transcription factor. [Image: Christopher Bickel, AAAS]

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