10 20 30 40 50 CCCCGUGGACAGACAGA--| G C A UAACAGCA CAGUGCA UCA CCAUAAAGUAG AAGCACUAC \ GUCACGU AGU GGUAUUUCAUC UUUGUGAUG C CGCACCAGAGGCUUCGGGU^ G A C UGGGAGGU 110 100 90 80 70 60