(B) Immunofluorescence of FLAG-tagged wild-type ZNF750 (ZNF750-WT, first and third rows) and p.Ser70∗ ZNF750 (ZNF750-S70X, second and fourth rows) in KYSE150 (top) and KYSE140 (bottom) cells. DAPI labels the nucleus. Scale bars represent 10 μm.