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Figure Caption

Figure 3—figure supplement 1. Biotinylation in <italic>cmlc2:erbb2-birA2-HA-P2A-GFP</italic> ventricles.

(A) Western blot analysis of ErbB2-BirA2-HA assessed for biotin and Human influenza hemagglutinin tag (ammino acids 98-106) (HA) in zebrafish expressing cmlc2:erbb2-birA2-HA-P2A-GFP. Troponin T is used as a loading control. (B–D) Immunofluorescence images of sections of ventricles of fish expressing ErbB2-BirA2-HA crossed to the Z-CAT ablation model. Animals were treated with tamoxifen to induce expression of DTA toxin. Ventricle were stained for DAPI, actin, and biotin. Scale bar: 50 µm.

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