10 20 30 40 50 GCCAUCCUUAGACAUGCUG----| U A CU - AA UGUAUA UG GC UUAC CACUC CGGA GUGUCAAUCA A AC CG AAUG GUGAG GUCU CACAGUUAGU C GAUAACAUAUACAACGUAUAUCG^ - C AG U C- AUAAAU . 110 100 90 80 70 60