CAV3 and persistent truncus arteriosus: These data show that Cav‐3 OE had little effect on measurements from sham hearts and myocytes, consistent with previous work showing little effect of Cav‐3 OE on cardiac morphology or function in the absence of TAC (Horikawa et al., 2011; Kong et al., 2017; Markandeya et al., 2015).