10 20 30 40 50 60 AGAAGGACGCAACAGAC- CU -| C U U U AGGACU UCCA CC GUCUA CCAGUGU UAGACUA CUGU C C GGGU GG CGGAU GGUUACA GUCUGAU GACA G C CGCGCUGUGGCACACAUC CG U^ U C - U UUAUAA . 110 100 90 80 70