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ZNF638 colocalizes with the splicing factor ASF/SF2 in nuclear speckles. Subcellular localization of transiently expressed ZNF638 in U2OS cells detected by indirect immunofluorescence and by overlay with DAPI as nuclear counterstaining (A). Double immunofluorescence staining of transiently expressed ZNF638 in U2OS cells and overlay with endogenous ASF/SF2, a marker for nuclear speckles (B). A, B: Confocal imaging; scale bars: 10 µm.
