Interestingly, MORF/MYST4 (KAT6B) is also involved in acute myeloid leukemia and the myelodysplastic syndrome with fusion to the CREB-binding protein (CBP) instead of p300, similar to that exhibited by MYST3/KAT6A [46]. The gene discussed is KAT6B; the disease is myelodysplastic syndrome.