10 20 30 40 50 AACGACGAUGACACCCA-- G U -| AUUGU CAGUAUG CCGUAUAGCAUAACA UGU AAGAG \ GUCGUAU GGCAUGUCGUGUUGU ACA UUCUC A GGUGUCCGGACACUGAUAA A U U^ CAAGA 110 100 90 80 70 60