The human U5 snRNP-specific 100-kD protein is an RS domain-containing, putative RNA helicase with significant homology to the yeast splicing factor Prp28p.
S Teigelkamp, C Mundt, T Achsel, C L Will, and R Lührmann
RNA. 1997 November; 3(11): 1313–1326. PMCID: PMC1369570