10 20 30 40 50 60 CGGUCGUCUAUCAUCAU-- A CG -| U C GUGAUUCAA ACC UCU UUGG UCGUCAAUAUUG CUGU GGUA \ UGG AGG GACC AGUAGUUAUGAC GACA CUAU U UCCUUUUCACACCGAAGUU A UU G^ C - UCAAAAAUG 120 110 100 90 80 70