10 20 30 40 50 GCGACAGAGCUACCACU--| U C CCU A U A UCCCC UAGCA UGGA ACAGUGC GGGAU GA AAG GG U GUCGU ACCU UGUCAUG CCCUA CU UUC CC U CCCCGUCACCACCACGUCC^ C U CU- C - A UAAAA 110 100 90 80 70 60