10 20 30 40 50 CCCUACUGCUGCUGCUU---| U G - U GCGC U UUCA GGUACU G AGAGAGGU GG CCGUG GU CGC U CUAUGG C UUUCUCCA CU GGCAC CA GCG U UUCGAGCGUUCCGCCCUAAU^ - G G - AUUA C GUAU 110 100 90 80 70 60