10 20 30 40 50 GCCUGCUCCAUUGAGCGG---| U U C U A AGUGAUC UG CUG CCAG GCCCUUUU AUGUUGUACU CU \ AC GAC GGUU CGGGAAAA UGUAACGUGA GA A UCCCUCGUGACGUCUGUCGUG^ - C A U C AACACAU . 110 100 90 80 70