10 20 30 40 50 GUCCUCCCCGCGCGGGGC----| CU GAAC - G C GCCCU AGG GG UCGGG GGGGGC GGGCCU GCG G UCC CC AGCCC CCCCUG CUCGGA UGC C GGGGGGCCCUUUCAGCGAUAAA^ -- AAAU U A C UCCGA 110 100 90 80 70 60