10 20 30 40 50 60 UUACUGUAGAUCCUGCA- CC- C C --| U CGAAUCCA GCA AUUUCAAG GGC UUCA ACGAC AUAUCAAC \ CGU UGGAGUUC CUG AAGU UGUUG UAUAGUUG A UCCUAUUUUAGGCUUUUU UUU A U UU^ - AGCGCUUA 120 110 100 90 80 70