HYDROLASE, RNA HELICASE, MRNA EXPORT, ATPASE, TRANSLATION TERMINATION, ATP-BINDING, CYTOPLASM, HELICASE, MEMBRANE, MRNA TRANSPORT, NUCLEAR PORE COMPLEX, NUCLEOTIDE-BINDING, NUCLEUS, PROTEIN TRANSPORT, RNA-BINDING, TRANSLOCATION, TRANSPORT STRUCTURE OF S. POMBE DBP5 3FHO