10 20 30 40 50 UAUACAUUCAGUGUUAU--| U GG C U GUGAAUU GGUUGUG UG AC GUAUUCCAUG UGUUGCACU \ UUAACAC AC UG CGUGAGGUAU ACGACGUGG G AACGAUGUAACGACUAGAC^ C UU C U UGACUGU . 110 100 90 80 70