10 20 30 40 50 60 GGGCCCCGGCCCGGACA--| GUC U C U AGGGCU CCGGCCCCGCC CCAGUGU CAGACUAC UGU C C GGUCGGGGCGG GGUUACA GUCUGAUG ACA G U GGGGUCCCCGCGACGAGUG^ AUU C - U UGUAGC . 110 100 90 80 70