10 20 30 40 50 AAGCAUGUGGGGGUCUC---| G UG U CU - AUG CUGUUG UGU U GGCG CUGU GCCC GC CCUGCCUCU \ ACG G CCGU GACG CGGG CG GGACGGAGG C CAGGGUGCGUCCUAGGCGAG^ - GU C UU U G-- AAGUCU . 110 100 90 80 70