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GRAF2 and WDR44 are associated with the same dynamic intracellular tubules. HeLa cells were transfected with GRAF2-RFP and WDR44-GFP and imaged with a confocal spinning disk. Snapshots were captured at 5-s intervals and are shown here at seven frames per second. Boxed areas showing examples of newly formed tubules simultaneously positive for GRAF2-RFP and WDR44-GFP are magnified. Scale bar: 10 µm; scale bars of insets: 2 µm.
