10 20 30 40 50 CCCCCCUCGUUCGAGAU--- CUCA C - C-| U UCAUGU UGCU CC GGG CAUCAAA UGGUUGUGGU UG \ ACGG GG CCC GUAGUUU ACCGACACUA AC C GGUGUUGGUGCUACGGUUAA CCC- U A CU^ U UAUAGA . 110 100 90 80 70 60