10 20 30 40 50 AUGGAUCAUGUGUGUUGUC---| U G C C C UGGCCUAG GGAU GC UGUC CUU CU CGCCCGUUAGA \ CCUA CG GCGG GAA GA GCGGGCGGUCU U ACACCGAAACCAACUUUCACUA^ - G A A A UCGUUACU 110 100 90 80 70 60