10 20 30 40 50 AUGCCCACUGUUCUCGG----| AGC U - C G CUUCA GGU UG GUGGAUGGUAGA C GGUGAC UACA U CCA AC CACCUAUCAUUU G CCACUG AUGU U ACAGAAGGGUGUCUACCAGAC^ CA- - U C G CGUAU 110 100 90 80 70 60