10 20 30 40 50 CAUGUGGUCAGACCCGG- AAA C -| A A U AUUAAA CCUCG GG AG UGGAG GA AUG AUCUCGUUCC \ GGAGU CC UC ACCUC CU UAC UAGAGUAAGG C GUAUCUUUCAACUAAUUA CUG A A^ - C U GUCUUA . 110 100 90 80 70