10 20 30 40 50 UUACUCCUCUGUUUCCG---| C U GC A GUUCU GGUCUUA UGGG UUGCGGGGG UC CAUCAUGU \ CCAGGAU ACUC AAUGCCCCC AG GUGGUACA A AGAGGCGUAACAACGACUGC^ - C UC C UCGUC 110 100 90 80 70 60