| 摘要 |
Ribozymes containing the following nucleotide sequences (I), wherein A, C, G and U represent respectively ribonucleotides having as the base component adenine, cytosine, guanine and uracil; N<1> and N<3> represent at least a pair of nucleotides capable of forming a base pair complementary to each other; and N<2> represents at least 3 nucleotides capable of forming a loop.
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