10 20 30 40 50 UCCUGUUUAAAGUCAGC-- UG U-| U AUGGUUACU AUGGCA CUGUU GAAAGACA GGGUAGUGAG \ UACUGU GACAG CUUUCUGU UCUAUCACUC G UAGACGAACUCUACGGGAC CA UC^ - CACAGGUAU . 110 100 90 80 70