10 20 30 40 50 GCAUUUUCAGCUGUGCUG--| G C UAA CAUU UGUGUC UGUGUA UG UUCACUUCAA GUGC CA U ACACGU AU AAGUGAGGUU CACG GU A CCGUGACUCCAACAUGGACA^ A A UUC UUUU AUAAAG 110 100 90 80 70 60