10 20 30 40 50 GGCCGCGGCCCGGCAGUA---| U - C U C UGGUGGAC GG GGGGGGUGG GAA GGC UCAUA AGGAGU \ CU UCCCCUACU CUU CCG AGUAU UCCUCG A GGCCCCGACGACGCGCGCCAG^ - U U U A ACCUAUUG . 110 100 90 80 70 60