Cells were lysed and the resulting supernatant was loaded in a sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) gel as described previously [11 (link)]. The antibodies used were anti-SMYD1 (Abcam, 1:1,000), anti-SRF (Santa Cruz, 1:2,000), and anti-GFP (Abcam, 1:1,000). Specific IRDye® 800CW conjugated goat (polyclonal) anti-rabbit IgG was used to detect protein expression with an Odyssey infrared imaging system (LI-COR Bioscience, U.S.A.).
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