The gold compound aurothiomalate (ATM) selectively inhibits the binding of Par6 to PKCι and PKCξ (Erdogan et al., 2006; Stallings-Mann et al., 2006; Butler et al., 2015) and has been shown to inhibit tumor growth in animal models (Butler et al., 2015; Tsang et al., 2017). The gene discussed is PRKCA; the disease is neoplasm.