10 20 30 40 50 UUGGGGGAGCAGCAGAA----| UCU UU U C GCUCCA CUGG GUGAU AGGUAGU UC UGUUGUUGGG \ GACU CAUUA UCCGUCA AG ACGACAGCUC C AGAUGGACCACUGCUUAAGUU^ U-- CU U U UCUUUC 110 100 90 80 70 60