Involved in oxidative stress response and redox homeostasis. Required for hydrogen peroxide-induced activation of YAP1. Acts in a parallele pathway to YBP1. {ECO:0000269|PubMed:11570514; ECO:0000269|PubMed:12743123; ECO:0000269|PubMed:15075262; ECO:0000269|PubMed:9990050}.