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Claudin
Group of proteins forming tight junctions between cells / From Wikipedia, the free encyclopedia
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For the Arthurian character, see Prince Claudin. For the French composer, see Claudin de Sermisy.
Claudins are a family of proteins which, along with occludin, are the most important components of the tight junctions (zonulae occludentes).[1][2] Tight junctions establish the paracellular barrier that controls the flow of molecules in the intercellular space between the cells of an epithelium.[1][3][4] They have four transmembrane domains, with the N-terminus and the C-terminus in the cytoplasm.
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