10 20 30 40 50 UCUGCUCUCCUCUCCGC---| U U C G G A UGGCU GC G CCCGGG AG AUAUCAUC UAUACUGUA GU A CG C GGGCCC UC UGUAGUAG AUAUGACAU CA U ACGCCGCCCUCCUCCAGCCA^ U - C A - - CAGAG 110 100 90 80 70 60