10 20 30 40 50 60 AAUUGUCGAACUCAAUA---| A UUC C - UA UUGUAAUAUG CUGAG CUUG CAGUGGUA AGC GCUGAU ACAG \ GACUC GAAC GUCAUCAU UCG UGACUA UGUC C ACGGCUAUUCUACUAGUCUU^ - UAA C A -- UUUAAUCAGU . 120 110 100 90 80 70