10 20 30 40 50 GAACAUCCCGAGUGGUA--| G G- U UCUGGUA CCUCG UGCUGUG UGCAUUGUAG UGCAUUGCA \ GGAGU ACGACAC ACGUGACGUC AUGUAGCGU A GACACGUAACCUUCGUUCC^ - AA U AAGAGGU 110 100 90 80 70 60