10 20 30 40 50 CUCCGGGCUGCCGAUUGGACCCG- -| G G A UA UCUCGU CC CUCC GU CCU CUGAGCUGA UCAGU \ GG GAGG CA GGA GACUUGACU GGUCA U CCGCUCCGAAAACCGAGCUCCCGA U^ A A C C- CACACU . 110 100 90 80 70