10 20 30 40 50 UCCUCCCCGCGCGGGGUGUGCU- AACCC- -| G C GCCCU GGG UGGG GGGGGC GGGCCU GCG G CCC GCCC CCCCUG CUCGGA UGC C GGGGGUACCUUCCAGGGAUAAAU AAAAUA U^ A C UCCGA 110 100 90 80 70 60