10 20 30 40 50 UUCUCUCCCCUGGUUCG---| C U CUC GUUCA GGUCUUA UGGG UUGCGGGGGG ACAUCAUGU \ CCAGGAU ACUC AAUGCCCCCU UGUAGUACA C UGCUGUAUAACAACGACUGU^ - C CAA UCGUC 110 100 90 80 70 60