10 20 30 40 50 GCUUCUAGGUCUCACUG---| CUGC G A AA CAGUUGCU GGCU CUCCUGU CCU CUGAGCUGA CA U CCGG GAGGACA GGA GACUUGACU GU U CCGUCCACAGAGGUCCUCUU^ UCU- A C CG CAAAUAGG . 110 100 90 80 70 60