10 20 30 40 50 CACCCUCUGAGGCCCAU--| GA CA U CUUC CUGG GCCCAGCU CCUGGCAUC UGCUGUCGUC U GACC UGGGUCGA GGACCGUAG ACGACGGUAG C AGGUGCCUCUCCCGACACG^ A- CG U ACUU 110 100 90 80 70 60