Description:4DNESZKHN4WZ: WTC-11 differentiated to cardiac muscle cell - CTCF input on an allelic series of iPSCs 20 day differentiatiation to cardiac cells - TBX5 homozygous (compound heterozygous) CTCF input on compound heterozygous Crispr modified TBX5 LOF with 1 bp insertion causing frameshift and 8 bp deletion in WTC-11 iPSC cells differentiated for 20 days to atrial cardiac myocytes.