10 20 30 40 50 CAUCCCCCCCUCCUCGA- --| G U GUGCUG CGUC GCCCGG CGACCGUGGCU UAGAUUGUUACU \ GCGG CGGGCC GCUGGUACCGA AUCUGACAAUGG C GGCGGGCGCGACGCUCAC CC^ - C GGGGGU 110 100 90 80 70 60