10 20 30 40 50 AACUUCGAUGAAUAAAA--| U U AC C U AUGUG CUGCACUUGCUU ACGU GAGCC ACG ACAA AC \ GACGUGAACGAA UGCG CUCGG UGC UGUU UG G UUUGACGUGACUUCUUCAA^ U - CU U U ACUUA 110 100 90 80 70 60