10 20 30 40 50 60 AACCUGCCAGUGCUGUU--| A C G U CGGUUUC GUUUGGUACUUA AG GAG UUGCCCUU GUAUAUU U CAAACUAUGAGU UC CUC AACGGGAA CAUAUGA U CCCGACCCAGGUUCCGUUC^ G U G - CGUGCAG 120 110 100 90 80 70