10 20 30 40 50 CGAACUCCGAGACGGAU--| A U CG G A GGGU GGG GCUGAGGGCUGGG CUUUG GGC AG UGA G CCC CGGCUCCUGACCC GAAAC CCG UC ACU U ACCUCUUCUGCGACCAGUG^ C U AU G A AGGC 110 100 90 80 70 60