10 20 30 40 50 CUCCGGGCUGUCGAUUGGACC---| CC G G A UA UCUCAU CG CUCC GU CCU CUGAGCUGA UCAGU \ GC GAGG CA GGA GACUUGACU GGUCA U UGCUUCCGAAAAACGAGUUCCCGA^ U- A A C C- CACAUU . 110 100 90 80 70