10 20 30 40 50 UAACUUUCCGAGGUUGAA- UCC-| UG UU C GUGUG UGGA CCUU CU AACAUGGGGGUAC UGCU A ACCU GGAG GA UUGUACCUUCGUG AUGA A AUGUUUUCAACCCAGCCAA CUGU^ GU CU A AAACA . 110 100 90 80 70 60