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Methods for screening proteins using DNA encoded chemical libraries as templates for enzyme catalysis
Methods for screening proteins using DNA encoded chemical libraries as templates for enzyme catalysis
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机译:使用DNA编码的化学文库作为模板进行酶催化筛选蛋白质的方法
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摘要
Disclosed are methods, compositions and devices for screening a protein library for proteins having a desired activity, such as capable of catalyzing the formation of a bond between two reactants. In an exemplary embodiments, a plurality of proteins are expressed in vitro from a plurality of nucleic acids, the plurality of proteins are exposed with two single stranded oligonucleotides having complementary sequences, each oligonucleotide having a reactant and a fluorophore, the fluorescence of the protein-reactant-oligonucleotide-fluorophore complexes is detected and the complexes showing detectable fluorescence energy transfer are isolated, thereby isolating proteins having the desired enzymatic activity.
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