ERBIN: a basolateral PDZ protein that interacts with the mammalian ERBB2/HER2 receptor - INRAE - Institut national de recherche pour l’agriculture, l’alimentation et l’environnement Access content directly
Journal Articles Nature Cell Biology Year : 2000

ERBIN: a basolateral PDZ protein that interacts with the mammalian ERBB2/HER2 receptor

Abstract

The ERBB receptors have a crucial role in morphogenesis and oncogenesis. We have identified a new PDZ protein we named ERBIN (ERBB2 interacting protein) that acts as an adaptor for the receptor ERBB2/HER2 in epithelia. ERBIN contains 16 leucine-rich repeats (LRRs) in its amino terminus and a PDZ (PSD-95/DLG/ZO-1) domain at its carboxy terminus, and belongs to a new PDZ protein family. The PDZ domain directly and specifically interacts with ERBB2/HER2. ERBIN and ERBB2/HER2 colocalize to the lateral membrane of human intestinal epithelial cells. The ERBIN-binding site in ERBB2/HER2 has a critical role in restricting this receptor to the basolateral membrane of epithelial cells, as mutation of the ERBIN-binding site leads to the mislocalization of the receptor in these cells. We suggest that ERBIN acts in the localization and signalling of ERBB2/HER2 in epithelia.
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Dates and versions

hal-02695847 , version 1 (01-06-2020)

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Jean-Paul Borg, Sylvie Marchetto, André Le Bivic, Vincent Ollendorff, Fanny Jaulin-Bastard, et al.. ERBIN: a basolateral PDZ protein that interacts with the mammalian ERBB2/HER2 receptor. Nature Cell Biology, 2000, 2 (7), pp.407-414. ⟨10.1038/35017038⟩. ⟨hal-02695847⟩

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