10 20 30 40 50 GAUUUUCUGAACAGGCU- U-| C G A AGUUCGUU UG ACUCUGGA AG AUAUCAUC UAUACUGUA A AC UGGGACCU UC UGUAGUAG AUAUGACAU U UAAACAGGUCUUCCUCCU UU^ A A - CACAGAGA 110 100 90 80 70 60