10 20 30 40 50 CAGGACAAAAGGACGUA--| G A UAAACCCC CAGUGCA UCAUCCAUAAAGUAG AAGCACUAC U GUCAUGU AGUAGGUAUUUCAUC UUUGUGAUG C UUCACAAGGGUCGUCGGUU^ G C UGACACCG . 110 100 90 80 70 60