10 20 30 40 50 GGAGGUGGCAGCGAGAU--| U ACG UC G ACAA GG AGCC AUUGUCACUGUUAU UGCACA AGAU C CC UUGG UAACAGUGACAGUG GCGUGU UCUA G AAGACGAGUGACGUCUGCA^ U AGA U- - UAAU 110 100 90 80 70 60