10 20 30 40 50 CGACACCGACUGAGAGA--| G C A UAAACAGC CAGUGCA UCA CCAUAAAGUAG AAGCACUAC A GUCAUGU AGU GGUAUUUCAUC UUUGUGAUG C AAGAGAAGAGGCAUCGGGU^ G A C UGGGACGU . 110 100 90 80 70 60