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