10 20 30 40 50 UCCACCGUUGUUGUUCUC- -| A AAAAAA GC GUGGAAAUGGACUGUAUCUUCACUCG AUUUC C UG UACCUUUACCUGACGUAGAAGUGAGU UAAAG A ACGCCACUGACUGCAUAUU U^ A AAAAGA . 110 100 90 80 70 60