function: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.,similarity:Belongs to the connexin family. Beta-type (group I) subfamily.,subunit:A connexon is composed of a hexamer of connexins.,tissue specificity:Weakly expressed in placenta.,
Cell membrane ; Multi-pass membrane protein . Cell junction, gap junction .
Weakly expressed in placenta.
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