10 20 30 40 50 UUGACGAGUUGGGCAAACUCUA--| CGA UAAAG GUGUG AAGGC UGAGGUAGUUUA CUGCGA U UUCCG GCUCUAUCGGAU GACGCU U UCUCCUCACCCCUUCCGUAACUAG^ ACA UUUA- UCCUU 110 100 90 80 70 60