Has RNA-dependent ATPase activity. Represses the transcriptional activity of nuclear receptors. ATP + H2O = ADP + H(+) + phosphate Interacts in a hormone-dependent manner with nuclear receptors. Expressed in the fallopian tube, cervix and uterus. Also expressed in the brain. Belongs to the DEAD box helicase family. DDX54/DBP10 subfamily. Contaminating sequence. Sequence of unknown origin in the N-terminal part.