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Beschreibung

Mouse Connexin 43 is a 382 amino acid gap junction protein with a predicted M.W. of ~43 kDa. It is prominently expressed in heart (see reviews: Kumar & Giula 1996, White et al. 1995, Evans 1994, Beyer et al. 1990)., Connexin 43 (GJA1) is a member of the connexin gene family and a component of gap junctions. Gap junctions are composed of arrays of intercellular channels and provide a route for the diffusion of materials of low molecular weight from cell to cell. GJA1 is the major protein of gap junctions in the heart, and gap junctions are thought to have a crucial role in the synchronized contraction of the heart and in embryonic development. GJA1 is targeted by several protein kinases that regulate myocardial cell cell coupling. A related intronless GJA1 pseudogene, GJA1P, has been mapped to chromosome 5. Mouse Connexin 43 is a 382 amino acid gap junction protein with a predicted M.W. of ~43 kDa. It is prominently expressed in heart (Kumar, N. and Giula, N., 1996, Cell 84: 381-388).