10 20 30 40 50 AGACUGAAAAUGAUGUCUUU--| C A C UUUGU UGAG GGGGGUCA GAGCAAUAA GAAAAAUG C ACUC CCUCCAGU CUCGUUAUU CUUUUUGC A AAUAGAUUAACUUAUGUCGUUU^ U C A CAAAU 110 100 90 80 70 60