10 20 30 40 50 GGAGCAGCCCGGCCCAU- - C A-| GAGGGU GC GUGGCUCCGU UUCCUAUGC UAUACUUCUUU \ CG CACCGAGGUA AAGGGUACG AUGUGGAGAAA C GGGGCCACCCACCUCCGC A A AG^ UCCGGU 110 100 90 80 70 60