10 20 30 40 50 GCUGGUUGCCAUGUGGAG GC- - C -| U UGGUUA GAGAU CAG AUUCAUCA AG UGGUU UGAUGUG \ CUUUG GUC UGAGUAGU UC ACCGA ACUAUAC U UCCCUCACUUCUCAUUAC AUU U U G^ C UUGUAA . 110 100 90 80 70 60