Supplemental Figure S2: G2 arrest in MCF7-shPBK1 stable cell line 200 400 600 800 1000 FL2-A 50 100 150 # Cells MCF7-RS -DMSO singlet RMS %G1 %S %G2 %<G1 %>G2 0.8 41.6 29.5 13.1 9.47 6.5 200 400 600 800 1000 FL2-A 50 100 150 # Cells MCF7-shPBK1 -DMSO singlet RMS %G1 %S %G2 %<G1 %>G2 2.1 15.7 17.7 30.2 13.4 22.5 B 200 400 600 800 1000 FL2-A # Cells MCF7-RS -1 uM dox singlet RMS %G1 %S %G2 %<G1 %>G2 2.87 43.5 29.9 16.1 7.74 3.15 200 400 600 1000 FL2-A 100 300 # Cells singlet RMS %G1 %S %G2 %<G1 %>G2 3.43 31 13.5 36.3 10.4 9.73 MCF7-shPBK1 -1 uM dox Supplemental Figure S2: G2 arrest in MCF7-shPBK1 stable cell line .