10 20 30 40 50 GCAUUCCCUCAGCAGCUCC--| CGU G A A UUGCU CACUC GUAG AUAUCAUC UAUACUGUA GU A GUGGG CAUC UGUAGUAG AUAUGACAU CA U AAACAGGACGUCGCUUCCACU^ UCC A - - CAGAA 110 100 90 80 70 60