The results showed that GRB7 was positively correlated with HER2 and CDH1 in CCLE proteomics data (Figure S4A,B), and GRB7 was positively correlated with HER2 and HER2_pY1248 in pan-cancer and ovarian cancer (Figure S4C,D). This evidence concerns the gene ERBB2 and ovarian carcinoma.