GJA8 is a an integral membrane protein that belongs to the connexin family, alpha-type (group II) subfamily. One gap junction consists of a cluster of closely packed pairs of transmembrane channels, the connexons, through which materials of low MW diffuse from one cell to a neighboring cell. A connexon is composed of a hexamer of connexins. This particular connexin only forms junctional channels. GJA8 is expressed in the eye lens, and defects in GJA8 are the cause of zonular pulverulent cataract type 1 (CZP1), a form of autosomal dominant congenital cataract.
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Protein Aliases: alpha 8 connexin; cell surface glycoprotein; connexin 50; Connexin-49; Connexin-50; Cx49; Cx50; gap junction alpha 8; Gap junction alpha-8 protein; gap junction membrane channel protein alpha 8; gap junction membrane channel protein alpha-8; gap junction protein alpha 8 50kDa; gap junction protein, alpha 8, 50kDa; Lens fiber protein MP70; lens intrinsic membrane protein MP70; lens opacity 10; MP38; MP64
Gene Aliases: Aey5; CAE; CAE1; Cnx50; CTRCT1; CX50; CZP1; GJA8; Lop10; MP70