10 20 30 40 50 CAUAGCAGAAAGUCCUUU---| C CCA A U CA UGGA UCAGC GCC UGUGGA AAGG CCUC UUUUG U GGUUG CGG AUACCU UUCC GGAG AAAAC U CAAACCGAGCUUCUGAGAAAC^ U AG- G C A- CUUG 110 100 90 80 70 60