10 20 30 40 50 60 AUGUCUAAGGAGUCAAU--| AA G A C UUUCAUU AUGAAC UGAUC CCAUAUUUUU CCG UACUGCA \ UACUUG GUUAG GGUAUAGAAA GGC AUGAUGU G GUUUCUGAGUCAUCUUUAA^ GG G A - UAAUAAU 120 110 100 90 80 70