10 20 30 40 50 UUAUGUUUCUCUUGUUGUCGA- --| A C UCUU GGCUUUGAGA GUUGAGACGC AA AUGAAUU \ UCGAAACUCU CAGCUCUGCG UU UACUUAA G UCCACAUAUAACUUAUCUUUUG CC^ C U UUUU 110 100 90 80 70 60