KAT6A, also known as MOZ (monocytic leukemia zinc finger), is an essential transcriptional coactivator and histone acetyltransferase (HAT) []. MOZ is highly homologous to MORF (also known as KAT6B); they play key roles in hematopoiesis, skeletogenesis, neurogenesis, and other developmental processes []. MOZ and MORF form stable multisubunit complexes that are responsible for acetylation of a substantial portion of histone H3 [].