10 20 30 40 50 60 CAAAAACAGACGACAAAG-- U -| U GU UUUAAAU CUUC UCAGGAA GCUGGUUUCA AUGGUG UUAGA \ GAGG GGUUCUU UGACUAAAGU UACCAC GAUCU A GCCAGCCGUCGCUUCAUCAA U G^ U -- GUUAGUG 120 110 100 90 80 70