Description:4DNESM6WTYV3: WTC-11 differentiated to cardiac muscle cell - CTCF input on an allelic series of iPSCs 20 day differentiatiation to cardiac cells - TBX5 heterozygous CTCF input on heterozygous Crispr modified TBX5 with 2 bp insertion causing frameshift WTC-11 iPSC cells differentiated for 20 days to artrial cardiac myocytes.