10 20 30 40 50 CUUUACAGCUUCCACAUC---| U GC A G- C GGGUU UGAUU AACA AUCCA UUGGUU GCUCC UCU \ ACUAG UUGU UGGGU AACCAG CGAGG AGA C GUACGGGAAUCUACGUGAAGC^ - AC C GA - UGCGU 110 100 90 80 70 60