10 20 30 40 50 CUCCACCCUGAGCCAUG-- A U G C G -| CACUUAGC UC UG GCA UGC CUGCC GGA AGGUACUGAU \ AG AC CGU AUG GAUGG CCU UCCAUGAUUA A AGAGGUUUUUACUACCAGA A U A A G G^ AUGUGUAU . 110 100 90 80 70 60