KAT6B (Lysine Acetyltransferase 6B): KAT6B is a gene that encodes a histone acetyltransferase involved in chromatin remodeling and gene regulation. It plays key roles in development, cell cycle control, and DNA repair. Mutations in KAT6B are linked to rare genetic disorders marked by skeletal abnormalities and developmental delays, including Genitopatellar and Ohdo syndromes.