10 20 30 40 50 CUCAUCCCUUCCUCUGC---| U A C U GUAGCGU UGUC CC UG UGACCGUGGCU UAGAUUGUUACU \ ACGG GG AC GCUGGUACCGA AUCUGACAAUGG U GGUCAUCAGCGACAUUGUGG^ - A C C UGCACGG . 110 100 90 80 70