10 20 30 40 50 GUUCUACACAUGUGAUGGA---| UC G A UA UCUAU CCUG CUCUUGU CCU CUGAACUGA UCAGU U GGGU GAGGACA GGA GACUUGACU GGUCA U AACGGUCACGAAACGAGUUCCC^ U- A C C- CAUAC 110 100 90 80 70 60