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Cover Figure

COVER This week features a Review highlighting the SAM domain, a versatile protein interaction motif. The image depicts the RNA-binding region of the protein Smaug, with the SAM domain in pink. [Image: James U. Bowie, UCLA-DOE]

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