10 20 30 40 50 AGAGUUCGGGUGAGAGU--| A C CU C U A C AAGUUU GAGA UC UCU CC AGA AAUAGC CU UCAAAC \ CUCU AG AGA GG UCU UUGUCG GA AGUUUG C CUCAGAAGGUCUUCUUUAA^ C A CU U - - A UUGUAC 110 100 90 80 70