10 20 30 40 50 UGACGGCACCGUUGUUGUCGA-- --| C A C UCUU AGCUUUGAGAGU UGAGA GC AA AUGAAUU \ UCGAAACUCUCA GCUCU CG UU UACUUAA G GUCCACAUAUAACUUAUCUUUUG CA^ U C A UGUU 110 100 90 80 70 60