Enables superoxide-generating NADPH oxidase activator activity. Acts upstream of or within superoxide metabolic process. Predicted to be located in cytoplasm and plasma membrane. Predicted to be part of NADPH oxidase complex. Predicted to be active in cytosol. Is expressed in pancreas and pancreas tip epithelium. Orthologous to human NOXA1 (NADPH oxidase activator 1). [provided by Alliance of Genome Resources, Apr 2022]