10 20 30 40 50 GGCCACCUGCUCUGAGUGC--| U GC- CU GUAUCUG AGGGC CGGGCU CCAGGCUGGGGCUG GCU \ UUCCG GUCCGG GGUCCGGCCCCGAC UGA A CGAGACGUCGACCGUCCACCU^ - UCC AC GGUGUCG . 110 100 90 80 70