10 20 30 40 50 60 AAGAAUCCCCUCAAAUU- -| CA AGC U C C AGGAGAU CC AGCCC CC CCAGUGU CAGACUAC UGU C U GG UCGGG GG GGUUACA GUCUGAUG ACA G G AGGCCUCAGCUACGAAAA U^ UC AUU C - U UGUAAAC 120 110 100 90 80 70