10 20 30 40 50 60 UUGAACUAGUCACCAUC----| GUCC U CU AGUGCUCU CAGG CUUUCAGGUCUGAUAG CUAU UUUC U GUCU GAAGGUCUAGACUAUC GAUA AAGG G GACGACUGUCAACUAUCGGUU^ GU-- U U- UCCCAAAG 120 110 100 90 80 70