7avb | pdb_00007avb

Solution structure of the fluorogen-activating protein FAST in the apo state

spinqualitylabelsall models 7avb Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 7avb is a 1 chain structure with sequence from Synthetic construct. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance. Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Publication Abstract from PubMed One of the essential characteristics of any tag used in bioscience and medical applications is its size. The larger the label, the more it may affect the studied object, and the more it may distort its behavior. In this paper, using NMR spectroscopy and X-ray crystallography, we have studied the structure of fluorogen-activating protein FAST both in the apo form and in complex with the fluorogen. We showed that significant change in the protein occurs upon interaction with the ligand. While the protein is completely ordered in the complex, its apo form is characterized by higher mobility and disordering of its N-terminus. We used structural information to design the shortened FAST (which we named nanoFAST) by truncating 26 N-terminal residues. Thus, we created the shortest genetically encoded tag among all known fluorescent and fluorogen-activating proteins, which is composed of only 98 amino acids. NanoFAST: structure-based design of a small fluorogen-activating protein with only 98 amino acids.,Mineev KS, Goncharuk SA, Goncharuk MV, Povarova NV, Sokolov AI, Baleeva NS, Smirnov AY, Myasnyanko IN, Ruchkin DA, Bukhdruker S, Remeeva A, Mishin A, Borshchevskiy V, Gordeliy V, Arseniev AS, Gorbachev DA, Gavrikov AS, Mishin AS, Baranov MS Chem Sci. 2021 Apr 8;12(19):6719-6725. doi: 10.1039/d1sc01454d. PMID:34040747 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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