Anti-Tight junction protein ZO-1 antibodies can be readily obtained from commercial sources. The Tight junction protein ZO-1 protein is a reported synonym for the human gene TJP1, encoding tight junction protein 1. The full-length protein is 195,459 daltons in mass with 2 identified isoforms. This protein is a member of the MAGUK family. Visit the antibody supplier page for key details, including validated applications and target specificity.