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核酸适配体
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核酸适配体
一段由10~120个碱基组成的单链寡聚核苷酸(包括DNA、RNA或修饰的核酸)。它通过分子内相互作用折叠形成三维空间结构,从而高亲和力、高选择性地识别某一种或某一类配体分子。被称作“可化学合成的抗体”(chemical antibody)。
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