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Schematic representation of catenin constructs used in this study. Catenin domains that have transactivation capacity are hatched. The numbers 1 to 13 represent armadillo (ARM) repeats in β-catenin and plakoglobin with a nonrepeat region (ins) between repeats 10 and 11. HA designates the HA epitope tag; CNX marks the transmembrane domain of connexin-32.
