10 20 30 40 50 GAAGAAGAAGAACUGAC--| U CGA G A CGGUGUG UGG AACC UUACCAUUACUG G GCCGCAC AUC UUGG AAUGGUAAUGAU U AAGAACGAAGCCGCCUUCA^ U UUC G U 100 90 80 70 60