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. 2011 May 2;193(3):565–582. doi: 10.1083/jcb.201010065

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© 2011 Raleigh et al.

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Figure 4. — S408 phosphorylation is required for CK2-mediated regulation of occludin dynamics and barrier function. (A and B) FRAP analysis of EGFP-occludin mutants expressed in occludin knockdown Caco-2 cells. Bar, 3 µm. (C) Expression of EGFP or EGFP-occludin mutants in occludin knockdown (KD) Caco-2.