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.

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. [-]

             autosomal dominant nonsyndromic deafness 2A
             autosomal recessive nonsyndromic deafness 1A
             autosomal recessive nonsyndromic deafness
             autosomal dominant nonsyndromic deafness
             erythrokeratodermia variabilis

          DEAFNESS, AUTOSOMAL RECESSIVE 1A; DFNB1A
          ERYTHROKERATODERMIA VARIABILIS ET PROGRESSIVA 1; EKVP1
          DEAFNESS, AUTOSOMAL DOMINANT 2A; DFNA2A
          GAP JUNCTION PROTEIN, BETA-3; GJB3

ClinVar, ClinGen, MalaCards, KEGG Disease, DECIPHER, COSMIC, MARRVEL, GTR, DisGeNET, dbVAR, GHR, gnomAD