10 20 30 40 50 60 70 80 UUGAUAUGUGCACUUUUCU--| UAUCGCGU A UU UAACGAAUGGACUAAAAUGCAAUUUGCAAUU AGAUCGU UUGGA UGGUCUCG AGC \ UCUAGUA AAUCU ACCAGAGC UUG C CAUUUUAAACGUAUGUUCACU^ CGUUACCU C U- AUUUGAAAAACCGCGGACCUAUUAACCGCGG . 160 150 140 130 120 110 100 90