10 20 30 40 50 CAUCACUUCAUUGCAUAG- U -| U AC C UUAAUA CU UUG UCUUU CUUUGGUAAU AGCU UAUGA G GA AAC AGAAA GAAACCAUUA UCGA AUACU A ACUGUCACAACUAAAUCGA U A^ C GA A CUAAGG . 110 100 90 80 70 60