10 20 30 40 50 UGUUUUUGCUGUAUAAAA--| G C G A UGUUUC GUUAGUA UA ACGGCUUUUCAC AGG AGCUUU G UAAUCGU AU UGUCGAGAAGUG UCC UCGAAG A UUGACUGUGGUCUGACAUCA^ G C G G UUAUGU . 110 100 90 80 70 60