(also known as BAF180)) are expressed in the epicardium and have roles that are non-redundant with those of BAF60C in mediating coronary development and cardiac chamber maturation43,44. By contrast, PBAF complexes are not required for ESC formation or function: deletion of the signature subunit of these complexes, polybromo (BAF180), does not impair the formation of the inner cell mass or the production of different germ layers43.
