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[摘要]：Tetra-trico-peptide repeat (TPR) domains are found in numerous proteins, where they serve as interaction modules and multiprotein complex mediators. TPRs can be found in all kingdoms of life and regulate diverse biological processes, such as organelle targeting and protein import, vesicle fusion, and biomineralization. This review considers the structural features of TPR domains that permit the great ligand-binding diversity of this motif, given that TPR-interacting partners display variations in both sequence and secondary structure. In addition, tools for predicting TPR-interacting partners are discussed, as are the abilities of TPR domains to serve as protein-protein interaction scaffolds in biotechnology and therapeutics. |
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