10 20 30 40 50 AAAUAAUUUGCGACCGU--| CU UGG U A A UU UAUC GGCUC CG UAU UGGCACG GUGGA UA CG U CCGGG GU AUA ACCGUGU CACCU AU GC C GUAAAACUGAACUUCAAGU^ CU GUA U C - UG CACU 110 100 90 80 70 60