10 20 30 40 50 GUCACCUUCAGCUACGU--| U G C GG C UG CAUAGA UUGU CA UGC UUACUCAG AGG GU UUCA U AACG GU AUG GAUGAGUC UCC CG AAGU U UGGUGUUUGCAACAGGUAC^ U A A UU A GU AUAUGG 110 100 90 80 70 60