10 20 30 40 50 GCCCCGGGCCCGUCCCG-- U CU -| A UUUGAU CCCUGCC CUGU G AUAUGUUUGAUAUU GGUUG \ GGGACGG GACA C UAUACAAACUAUAA UCAAC U CCGUGCGCCGCGACCCUCC C UU U^ A CAAAGG . 110 100 90 80 70 60