10 20 30 40 50 60 AAGCCGGCGGAGUUCUG------| CGU U AG UCA ACGAGCAGCG GUAU UGC GC CUGGUGUUGUGAA GGCCG C CAUA ACG UG GACCACAGCACUU UCGGC A GCUCCGAGCGGACCUCUCCUACC^ CU- U G- UA- CCAUUCUCCU . 120 110 100 90 80 70