10 20 30 40 50 CCUCGGCUUGAUGUGACA--| CUGGC A UGUCCG GGCUGCC UCAGUUAUCACAGUGCUG UGC U CCGACGG AGUCAAUAGUGUCAUGAC AUG C UCCUGGAGACGACGGUUCUA^ UAGGA - GAAAUU 110 100 90 80 70 60