Arboleda-Tham Syndrome (ARTHS, OMIM #616268) is a rare genetic disorder caused by de novo heterozygous mutations in the lysine(K) acetyltransferase 6A (KAT6A, a.k.a. MYST3 and MOZ) gene. The gene discussed is KAT6A; the disease is autosomal dominant intellectual disability-craniofacial anomalies-cardiac defects syndrome.