10 20 30 40 50 ACCUGCAAAGUAUGAUU- -| A UU A G AUGUGC GAGU UAUCUU GGAAUCUGU GUCUU GU AC A UUCA AUGGGA CCUUAGACA CAGAA CA UG A AUCACUUGCACAUGUUUC U^ C CC C G GAAAUA 110 100 90 80 70 60