10 20 30 40 50 60 AGAAGACGCAGCACACU--| GU C GC C - U GUCUUACUGAAGGUUU GG UGGG AAGGU GGGG UAG GGC AACAGCA \ CC GCUC UUCCA CUCC AUC CCG UUGUCGU C UGUCUUCGGCUCGGCCAGU^ UG A A- A A - ACACGCACCAAAGGUC 130 120 110 100 90 80 70