10 20 30 40 50 GCAUAUUUCAACGCCCUCU--| UC U U C U UAUA GUCACAUG UA UGUACUUCA CAGGUG UC GG C CGGUGUAU AU ACGUGAGGU GUCCAC AG CC U UUUUAGUCAAACCACUUUGCU^ UA C U - C UUUU 110 100 90 80 70 60