10 20 30 40 50 CGUUUGCGGCGCCUCUU--| G AA G AGAUUA AUAUAGG UGUCCCAAAAGUCU GU CAGUUUUA U UAUAUCC ACAGGGUUUUCGGA CA GUCAAAAU C CUCAGUCAUGUUGCCUUUG^ A AC G CCGAAA . 110 100 90 80 70 60