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Synthetic molecules for labeling histidine-rich proteins
Synthetic molecules for labeling histidine-rich proteins
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机译:用于标记富含组氨酸的蛋白质的合成分子
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摘要
The invention provides Zn-chelating compounds that are molecularly engineered to bind to a specific target sequence in a protein of interest. The Zn2+ ion is far less toxic and promiscuous than nickel and therefore provides an attractive alternative to Ni-based labeling systems. Invention Zn-chelating compounds also do not require oxidizable thiols and therefore can be used in non-reducing environments such as the surface of living cells. In addition, the target sequence is genetically encodable and requires incorporation of only a few amino acids, unlike fusions to fluorescent proteins such as GFP.
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