10 20 30 40 50 CCACCUUUACCUAUGGUG--| UG G C C A UC UAGCU UG CA UGCU CACUU AGGA GUGCCA CAUG \ AC GU ACGA GUGAG UUCU CACGGU GUAU A UCGUGACUACAACAUGGACA^ GU A U U C UA CCAAA 110 100 90 80 70 60