10 20 30 40 50 UUCGACCCGGAUCCUCA- -| GC U G A UUCUAU GCUU CUCUGGU AGUGGUUCU AACA UUCA CAG \ CGGA GGGACUA UCACCAGGA UUGU AAGU GUU U AGGCGACGCCGACGACUC C^ GC U A - AAAAAA . 110 100 90 80 70