This entry represents a circularly-permuted Superfamily 2 helicase found N-terminal to the Glycosyltransferase domain in eukaryotic GREB1-like proteins. Some versions, such as the human GREB1 and GREB1L are predicted to be inactive [1].

1: Computational identification of novel biochemical systems involved in oxidation, glycosylation and other complex modifications of bases in DNA. Iyer LM, Zhang D, Burroughs AM, Aravind L; Nucleic Acids Res. 2013;41:7635-7655. PMID:23814188