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. 2006 Aug;17(8):3625–3637. doi: 10.1091/mbc.E05-08-0736

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© 2006 by The American Society for Cell Biology

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Figure 7. — Phosphorylation of Rab11-FIP2 is necessary for the proper reestablishment of p120 at adherens junctions but not ZO-1 at tight junctions. Cell lines expressing EGFP-Rab11-FIP2 or its phosphorylation mutant were subjected to the calcium switch protocol and fixed at the indicated time points. (A) Z sections from cells in the calcium switch experiment stained for p120 catenin. Note the delayed establishment of p120 localization in Rab11-FIP2(S227A) compared with wild type. p120 staining showed a normal reestablishment at the adherens junction in EGFP-Rab11-FIP2 cells grown in the presence of doxycycline (uninduced). (B) Projections of z-stacks from ZO-1 staining during the calcium switch experiment demonstrate the normal reestablishment of ZO-1 at tight junctions in all cell lines.