10 20 30 40 50 UUACGAUGGCGUCGCCA--| CAAU C G U U CUGAAA AUCUC GGC ACGUGUAU CUCG AGC AUAAC \ UAGAG UUG UGCACAUA GAGU UCG UAUUG U CGAAAACUAACGACUUGUU^ CCAC A A - U UAAACC . 110 100 90 80 70