10 20 30 40 50 GGUGACCUAGAUUCUGU- GU-| UG A AGGGG UGCCAUGGCGAC AAUAUCAGC GUA UUCUGA A AUGGUAUCGCUG UUAUAGUUG CAU GGGACU A ACUCUCAUCCGUCUCUCU GUU^ GU - UAACG 110 100 90 80 70 60