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