10 20 30 40 50 AGUCAUCAUUCAGAAAU- AU- AAA A U-| U AUAUGG GGU ACAGGA UG CCUA GAA UGACAGACA \ UCA UGUCUU AC GGAU CUU ACUGUCUGU C GACUAUGACUUCAUCGUA GUC AUA C UU^ U UUGAAU . 110 100 90 80 70 60