10 20 30 40 50 GCUGAUGAUCGGGAGUA--| UGA CU U C A UAUA AUCGU UG UAGGUCG GACGG UGCAAU UUG C UAGCA AC GUCCGGC CUGUU ACGUUA AAC C GGGACCAUUGACGACGGGU^ UCG UC C C - UAAC 110 100 90 80 70 60