MEM65 is an intercalated disc protein that interacts with with connexin 43 (Cx43) and is required for correct localization of Cx43 to the intercalated disc. It is essential for cardiac function in zebrafish [1].

1: Evolutionarily conserved intercalated disc protein Tmem65 regulates cardiac conduction and connexin 43 function. Sharma P, Abbasi C, Lazic S, Teng AC, Wang D, Dubois N, Ignatchenko V, Wong V, Liu J, Araki T, Tiburcy M, Ackerley C, Zimmermann WH, Hamilton R, Sun Y, Liu PP, Keller G, Stagljar I, Scott IC, Kislinger T, Gramolini AO; Nat Commun. 2015;6:8391. PMID:26403541