10 20 30 40 50
AAGACGAACGACCCUGG--| UG CAA G U
GGGAG GCGA AACC UUACCAUUAUUG A
CCCUC CGUU UUGG AAUGGUAAUAAC A
CCCAACUUCGCUUCGUCGC^ GU CUC G C
100 90 80 70 60