10 20 30 40 50 GCGCAUCAUCAAGAAACA-- C AAA A -| U AUAUGG GCG ACAGGA UG CCUAU GAA UGACAGACA \ UGU UGUCUU AC GGAUG CUU ACUGUCUGU C GACUAAAACUUCAUCGUCUC A AUA C U^ U UCGAAC . 110 100 90 80 70 60