10 20 30 40 50 UCAAAGUGAUUUGAAAA----| CUGA AUAC A UCC AUGAAGU CCAGA UGC CCUGU GU GAGCUUUU \ GGUCU ACG GGACA CA CUCGAAAG A GGAAGAUAGCUGUACAAAUUU^ UA-- CAGA C UGU CUAGACU . 110 100 90 80 70