10 20 30 40 50 CCACAGGGGACUUCUGCCAG --| AG A UGGAUGU GCC CUGGGCCAUCCUCACUG GGC CUUUU \ CGG GACCCGGUGGGAGUGGU UCG GAAAA U CCCGUCCCACGUCUCGACAG CA^ CU G AACACGG 110 100 90 80 70 60