10 20 30 40 50 GUCGCGCCAUAGUCAGUA---| U - C U C UGAUGCAC GG GGGGGGUGA GAA GGC UCAUA AGGAGU \ CU UCCCCUACU CUU CCG AGUAU UCCUCG A CAGGCCCCCGACGCUCACCAA^ - U U U A ACCUAUUG . 110 100 90 80 70 60