Deafness, Autosomal Dominant 2b, also known as dfna2b, is related to kid syndrome and viral labyrinthitis. An important gene associated with Deafness, Autosomal Dominant 2b is GJB3 (Gap Junction Protein Beta 3), and among its related pathways/superpathways are G-protein signaling G-Protein alpha-i signaling cascades and Myometrial relaxation and contraction pathways. Related phenotypes are high-frequency hearing impairment and nervous system