10 20 30 40 50 60 UAUAAGAGUUCCGCACGGA--| AUAA UG A CUUACUAU CACUUAU UUU AUUGUUGCUC GAAAGCC \ GUGAAUA AAA UAAUAACGAG CUUUCGG U UUAGAAGUUACAACAUUCCUA^ GACC GU - UCGACAAU 120 110 100 90 80 70