10 20 30 40 50 CGUUACCUGCAGACAUU--| C U UAUUGAGU CCUCCAGACUGU AGAUCUUUUGUUC UUUUAA U GGGGGUUUGACG UUUAGAAGACAAG AGAAUU A GAAGUCCGGUCCGCGAUUA^ U C UGUAUAGC . 110 100 90 80 70 60