This domain has N-acetyltransferase activity [1,2]. It has a GCN5-related N-acetyltransferase (GNAT) fold [2].

1: Molecular cloning of a novel human gene encoding histone acetyltransferase-like protein involved in transcriptional activation of hTERT. Lv J, Liu H, Wang Q, Tang Z, Hou L, Zhang B; Biochem Biophys Res Commun. 2003;311:506-513. PMID:14592445

2: RNA helicase module in an acetyltransferase that modifies a specific tRNA anticodon. Chimnaronk S, Suzuki T, Manita T, Ikeuchi Y, Yao M, Suzuki T, Tanaka I; EMBO J. 2009;28:1362-1373. PMID:19322199