10 20 30 40 50 60 AAGAACAGAUCUUAAAG-- -| U GU UUAAAU CUUCUUCAGGAA GCUGGUUUCA AUGGUG UUAGAU \ GAGGGGGUUCUU UGACUAAAGU UACCAC GAUCUG A ACGGCCGCCACGUCGACCA G^ U -- UUAGUG 120 110 100 90 80 70