10 20 30 40 50 ACCUUGGUGUCCCCGCU-- - G C G---| A GUGCU GCUGG CU CAGGUGCU UGACGA GUUGCACU CU \ CGAUC GG GUCUACGA ACUGUU UAACGUGA GA C CCCCUCCCCCCAGGGGUUC A - A AUAG^ C AGAAU . 110 100 90 80 70 60