10 20 30 40 50 CGAACUCCAAGGCGGAC--| AG U CG A A GGGU GGGAGCUGAG CUGGG CUUUG GGC AG UGA G CCCUCGGCUC GACCC GAAAC CCG UC ACU U ACCUCUUUUACGGCCAGGA^ CU U AU G A UGAC 110 100 90 80 70 60