10 20 30 40 50 UGACACAGUGACUGACA--| CUGGC A GUCCA GGCUGCC UCAGUUAUCACAGUGCUG UGCU U CCGACGG AGUCAAUAGUGUCAUGAC AUGG U GAAACUACCUUCCGUUCUA^ UAGGA - AAAUC 110 100 90 80 70 60