Gap Junction Protein, epsilon 1 is a human gene encoded by the symbol, GJE1. It may also be known as: Connexin-23; Cx23; Gap junction epsilon-1 protein; gap junction protein, epsilon 1, 23kDa. The encoded protein has an amino acid length of 205 and a mass of 23.8 kDa. Gap Junction Protein, epsilon 1 is a member of the Connexin family, Beta-type (group I) subfamily. Homologs of this gene exist in other organisms, including: Mouse, Rat.