10 20 30 40 50
GUUCGAAUCGCUCUGUCCCCAG--| C A CG AGACUGUCUG
ACAAG ACAC UACAACU GUCGUA G
UGUUU UGUG AUGUUGG CAGCAU U
ACCAACUGGUAAGCCUAAUUAACA^ A C AU AGACUUGUAA
. 110 100 90 80 70 60