10 20 30 40 50 CUCCCACCCAGACGAGGCC-- G C --| CUUGUGAUCA UC GGAAGC CACGCAGACA GUGGCACUUG \ GG CUUUUG GUGUGUUUGU UAUCGUGAAU U CCUCUGUCGACGACGCGGUCC G U UA^ UAACUUAACC 120 110 100 90 80 70