10 20 30 40 50 CUGCAGACUAUAUGAGG---| C G UC G GUGUG AAG GAGUU UUA UUUGGUUAUCUAGCU UAUGA U UUC CUCAA AAU AAGCCAAUAGAUCGA AUACU U ACUCGUCGUGCUUCUAGUAC^ - A GA A UCCGG . 110 100 90 80 70 60