Predicted to enable H4 histone acetyltransferase activity. Predicted to be involved in DNA replication-dependent chromatin assembly; DNA replication-independent chromatin assembly; and histone H4 acetylation. Predicted to be located in chromatin and nucleoplasm. Predicted to be part of protein-containing complex. Is expressed in several structures, including brain; liver; optic nerve; testis; and thymus primordium. Orthologous to human HAT1 (histone acetyltransferase 1). [provided by Alliance of Genome Resources, Apr 2022]