10 20 30 40 50 60 CAACGUGUUUACUGAAA--| UG G UG A ACGGA GACUCUCUUCGG ACG GUAUUCUUGGG G UAAU U CUGAGAGGAGCU UGC CAUAAGAAUUC U AUUG C ACUACAACCCACUUCUCUC^ GA G GU - UUGCA . 110 100 90 80 70