研究人员利用X射线衍射晶体分析法比较不同的结构来确定差异，弄清楚了细菌移除重金属毒物的机制。

The researchers used X-ray crystallography to compare the various structures, identify the differences and understand the mechanism that removes heavy-metal toxins from cells.

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本文用衍生物合成、降解反应、红外光谱、核磁共振谱及x -射线衍射晶体分析法研究了它的化学结构。

Its structure has been studied through a series of chemical synthesis, preparation of derivatives, degradations and IR analyses, and ultimately determined by X-ray diffraction.

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