10 20 30 40 50 CUUAAAAACUCUUGAAA--| CUUU C AC ACUCUUGAGGCAUUC UCGGUUGU UUUAUCC U UGAGAACUCCGUGAG AGCCAACA AAAUAGG U GUGAAAGCAGAAGGAGUAG^ AAUU A GC 110 100 90 80 70 60