10 20 30 40 50 GCAGUUUACAGAAGAGAGG--| A U C U UUGUA UUUUCAGGCG UGAU GUCCAAA GCA UUCUUG \ GAGAGUUCGU ACUA CAGGUUU UGU AAGAAC G ACGAAGUAAAACAACAAAGUU^ G - U C CAGUC 110 100 90 80 70 60