10 20 30 40 50 AAGUGCCAAAUUAUACA--| UA G AU UGAAUAU GUCGUCUAUAUG CCCU UAGA CGAAUUUGUG \ UAGCAGGUAUAU GGGG AUCU GCUUAAACAC U UUGAAAUGUUCCGAGACCG^ GA - CU UGAGAGU . 110 100 90 80 70