Although the sequence of the AAV inverted terminal repeat has been known for 40 years, there are still unanswered questions about functions attributable to the terminal 125 nucleotides.

中文翻译：

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AAV 倒置终端重复的不寻常特性。

尽管 AAV 反向末端重复序列的序列已知已有 40 年，但关于末端 125 个核苷酸的功能仍然存在未解决的问题。