10 20 30 40 50 GUGGUGCUCGUAUUUUU--| AA UCCC G A CAUUG GCUCCC GG GCCACUA GUCGCAU ACACG U UGAGGG UC UGGUGAU CAGUGUA UGUGC C CGUGAUCCUACGUUUCCGU^ GA UGUA G G CACAA 110 100 90 80 70 60