The HeLa 200 kDa U5 snRNP-specific protein and its homologue in Saccharomyces cerevisae are members of the DEXH-box protein family of putative RNA helicases. EMBO 15, 4001-4015 (1996).Lauber, J., Fabrizio, P., Teigelkamp, S., Lane, W.S., Hartmann, E. and Lu¨ hrmann, R. (...