Probable ATP-dependent RNA helicase. Is required during post-transcriptional gene expression. May be involved in pre-mRNA splicing. ATP + H2O = ADP + H(+) + phosphate Identified in the spliceosome C complex (By similarity). Interacts with ERCC6 (By similarity). Interacts with FAM50A (By similarity). Belongs to the DEAD box helicase family. DDX41 subfamily.