10 20 30 40 50 ACCAGAGCACAGUUACC---| U AA A C - A AUUCCUUGU UUGUA GC UGU GCUUU CAC GG GCAGCU \ AACAU UG ACA CGGGA GUG CC CGUCGA U UGAGGGUACAUUCUUUUAAG^ - AG C A A - GGGUAAAUU 110 100 90 80 70 60