10 20 30 40 50 GGCAGACAAUGACUGACA--| CUGGC U A UGUCUA GGCUGCC UCAGUUAUCAC GUGCUG UGC U CCGACGG AGUCAAUAGUG CAUGAC AUG A CCAAGGACACUUCGAUUCUA^ UAGGA U - GAAAUC 110 100 90 80 70 60