10 20 30 40 50 UAUACUGCUAGUGAUUA--| CU C UG U CUC GAGGAUA UUCAACU GC UAUC GCCUGGU GCA UCU \ GGGUUGG CG GUAG UGGACCA CGU AGA U ACGUAAAAUCUUCGGUUCU^ UU U GU U UAA CUAAAAA . 110 100 90 80 70