10 20 30 40 50 UAUUCUUAUUGCGCUGC--| UUUG A AA U A CACCUC AAUGC CUA AGCUGGU AA GG ACCAAAU U UUACG GAU UCGACCA UU CC UGGUUUA U GGCACCUAUACAUCAGGAG^ UUAG G AC C C GGUAAC . 110 100 90 80 70 60