Peptide sequence: QASSEAPPAK RRNETSFLPA KKTSVKETQR TFKGNAQKMF SPKKHSVSTS Sequence homology: Guinea Pig: 83%; Human: 100%; Mouse: 86%; Rat: 93%. DEAD box proteins, characterized by the conserved motif Asp-Glu-Ala-Asp (DEAD), are putative RNA helicases. Th