10 20 30 40 50 UCUCAUACUGCCAUCCCUU--| C U AGC A UA- UACA CC AC GCCUC UGGAUAAGGU CUC UUG U GG UG CGGAG ACCUAUUCCA GAG AAC G CAAAUCGAAUCUUCAAGAAAC^ U U AU- C UAA UGUC 110 100 90 80 70 60