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. 2020 Oct 29;142(45):19132–19141. doi: 10.1021/jacs.0c07922

Figure 6.

Figure 6

(a) DBCO-C2TCO-AF594 (21) as a click- and cleavable fluorescent tag for conjugation with azide-labeled antibodies. (b) Staining of EGFR-positive A431 cells with Cetux-C2TCO-AF594 (ON-state) and subsequent cleavage with HPA (19) (OFF-state). (c) Cell imaging confirmed near-quantitative bioorthogonal disassembly of Cetux-C2TCO-AF594 within 6 min.