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¡¡¡¡Abstract£º¡¡Cu(I)-catalyzed azide-alkyne specific reaction, popularly known as the “click chemistry reaction”, is defined as an important molecular connection method, which can realize simple and efficient connection between specific small molecule groups at the molecular level. Because of its advantages such as high efficiency, high selectivity, mild conditions and few side reactions, click chemistry reaction has been widely used in proteomics analysis, including the identification of newly synthesized proteins and the identification of various post-translational modified proteins. Therefore, in-depth study of the reaction mechanism of click chemistry reaction in proteomics is very important for understanding the structure and function of proteins. The goal of this review is to highlight the progress of several important applications of click chemistry in proteomics analysis in recent years, and discuss the future trends of the click chemistry in proteomics.

¡¡¡¡Keyword£º¡¡Click chemistry reaction; Proteomics; Review;

¡¡¡¡Fund£º supported by the National Nature Science Foundation of China(No.81472030); the Jilin Province Science and Technology Department Project(No.20180101267JC); the Graduate Innovation Fund of Jilin University(No.101832018C070);

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¡¡¡¡Fig.1 Schematic of click chemistry reaction[6]

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¡¡¡¡Fig.2 Bioorthogonal noncanonical amino acid tagging (BONCAT) strategy for labeling, detection and identification of newly synthesized proteins[17]

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¡¡¡¡Fig.3 Identification of palmitoylated proteins by chemical labeling[33]

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¡¡¡¡Fig.4 Proteomic identification of mouse cardiacsialylated glycoproteins by in vivo metabolic labeling at the cell level, organ level and tissue lysate level[41]

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