Extended Data Figure 4. Ectopic expression of POLR2A restores the resistance of POLR2Aloss cells to α-Amanitin treatment.
a, Protein levels of POLR2A in SNU283 and SW837 cells expressing increasing amounts of exogenous POLR2A. b, Crystal violet staining of SNU283 and SW837 cells treated with α-Amanitin after transfection with increasing amounts of POLR2A expression vector DNA.