10 20 30 40 50 UGACCGCAGCAGAGCUG-- U G --| U U C UAGCA UCUU GU CUUUC AGCU CU UACAGUGCUGC UUG U AGAA CA GAAAG UCGG GA AUGUUACGACG AAC U UAGGGGUUCCCUUCCGGUA U A UA^ - C - UGGAC . 110 100 90 80 70 60