10 20 30 40 50 GUUGUCCCCUUCGGCCC- -| C UG U UUCGAA AGUU CCGGACACU GCAGGUUUU CU CGGUGAUA \ UCAA GGCCUGUGA CGUUUAAAA GG GCCACUAU G UUGUUGUCUGUUUACAGG U^ A GU - UGCCGA . 110 100 90 80 70