10 20 30 40 50 GGUCUAUUAUUACAGCUU--| U G U UGGUUA AC UUUUCUCUGU AAAGACA GGGUAGUGAGAUG \ UG GGGAGAGGCA UUUCUGU UCCAUCACUCUAC A GAGUAGGAGGCACUAUGUAU^ C G - UAAUGG . 110 100 90 80 70