10 20 30 40 50 60 UUGUCCCUCAGUUCUGC---| GCGAA UG UA- C CAAGUUAUAU GAAUA A AAGAGAGC UCCGU GACAGU A CUUAU U UUCUCUCG AGGUA CUGUCA C GUAUAUAUAGCAGCUAAAAG^ AAUA- GU UUA - UAAUUUUAUA 120 110 100 90 80 70