Sequence of this protein is as follows: EQRGPDQPDL RTLHLERLQR VRSAQGQPAS KEQQASGQQK LPEKKKKKAK GHPATDLPTE EDFEALVSAA VKADNTCGFA. 5' to 3' helicase that unwinds RNA and DNA duplices in an ATP-dependent reaction. Acts as a transcription regulator. Required