10 20 30 40 50 CCGGCGGGCGGCGGGCA---| C GC U G A GUUCUCU GCCU CUUGGU AGUGGUUCU AACA UUCA CA \ CGGA GGACCA UCACCAGGA UUGU AAGU GU A GGAGGAGCGGCCUACGGGCC^ A GU U A - UAAUACG . 110 100 90 80 70