10 20 30 40 50 60 UAAAGGAUAACCCCCAG- GU - C -| A G UUUUU AUAAGU AGUA CU CUAGUGG UAGAG CG CUUAUA U UAUUCG UCAU GA GAUCACC AUCUC GC GAAUAU C CUUCUAGGACUUCUGAGA UC A A A^ - - ACCUA . 110 100 90 80 70