10 20 30 40 50 GUUCUGUGUUUUCAACU- G CU UA---| UGGCAU C GC GCAGA AGCAGGAGUGAAUGCAUGAGUU U G CG UGUCU UCGUCUUCACUUACGUACUUAA U UUUACUUGACUUCUAGUA G -- UCUAG^ UCAAAG . 110 100 90 80 70 60