10 20 30 40 50 CUCACCAUGCCCCCUGCA --| U G A A UUGUG GGG CCC GGCUGG AUAUCAUC UAUACUGUA GU A CCC GGG CUGAUC UGUAGUAG AUAUGACAU CA U CAGUCCGCGGUCUCGACC AU^ C A - - CAGAG 110 100 90 80 70 60