10 20 30 40 50 GCUCUGACUGGAAGCAG- U - C -| G G UUUUC GU UC AG AGUAUUA AAGUGCUUAUA UGCAG UAG U CG AG UC UCAUGAU UUCACGAGUAU ACGUC AUC C AGAAGGUCUUCUUCUCCA U A U C^ G - UGGGA . 110 100 90 80 70 60