10 20 30 40 50 AUCUCUACCAUGUACCAG- G - U -| A UUGAG CUU CUUUCU GUUCGUU AAG GGGCUGUGA AUG U GAA GGGAGA CGAGCAG UUC CCCGACACU UAC U CUUUAUCACAACCAGUCCA G U U G^ A UUUUG 110 100 90 80 70 60