10 20 30 40 50 CUCUCUCUCUCUCUCUC-- A G --| U U C UUGCA UCUC GU CUUUC AGCU CU UACAGUGCUGC UUG U AGAG CG GAAAG UCGG GA AUGUUACGACG AAC U GUUUACCUCACUUCUAGGC C A UA^ - C - UGUAG . 110 100 90 80 70 60