10 20 30 40 50 AACCAUGCUAACCCUCC--| C GGGCA CAGCGUCAGGGUCUUUUCCAAUGAGUUAGU CUUU C GUCGUAGUCCCAGAGAAGGUUACUCAAUCA GAAG U AGGACGGAAGUUAGAAAGA^ A CGUAG 110 100 90 80 70 60