The UAB36 score is highly correlated with IC50 of tamoxifen (rho = 0.55, P = 7.1e−05) than FAM129B expression alone with the IC50 (rho = 0.3, P = 3.80e−02), in 48 breast cancer cell lines (Fig. 3A, B). Here, NIBAN2 is linked to breast cancer.