10 20 30 40 50 GUUCGUUCGGUAAGAGU--| A C CU C U A C AAGUUU GAGA UC UCU CC AGA AAUGGC CU UCAAAC \ CUCU AG AGA GG UCU UUGUCG GA AGUUUG C CUCACAAGGUCUUCUUUAA^ C A CU U - - A UUACAU 110 100 90 80 70