10 20 30 40 50 CUCCAGCAGCACACAGC--| C CU C A UGUGG GAGCG CCAGUG GUAC AUGCUGGU GCCAGUG U CUCGU GGUCAC CGUG UGUGACCA UGGUCGU A GUCACUCACCAAGAGGUGA^ C UC U G UUCGG 110 100 90 80 70 60