10 20 30 40 50 GGAAUCUAGGAGAGACU- - C A - A -| C UGUGAA GCCA ACUGUC AG GG GCCA CAGA GUGUUC CA U CGGU UGACAG UU CC UGGU GUCU CAUAAG GU A UGAUCCCUUCGACAAUCA A A A U C A^ U AACUAA . 110 100 90 80 70 60