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Confocal microscopy ‘x-z’ images of Tac reporter expression and coated pit distribution in cells overexpressing chimeric receptors with di-leucine- or acidic cluster-based internalization motifs. Confocal x-z micrographs of transfected HeLa cells expressing Tac (A), TTγt3-t2 (B), and TacF766–93 (C) stained for Tac (left panels) and AP2 (right panels). Bar, 20 μm.
