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hep26609-sup-0001-suppinfo.doc92KSupporting Figure 1. SkHep-1 nuclear fractions are free of contamination from cytoplasmic markers. Immuno-electron micrographs of SkHep-1 intact cells (A,D) and isolated nuclei (B,E) labeled with GAPDH (A,B, and C) or α-tubulin (D, E, and F). C and F represent higher magnification images of B and E. N: nucleus. Arrows: Immunogold particles=10nm. Scale bars: (A,D)=500nM; (B,E)=2µm; (C,F)=1µm.

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