6qev | pdb_00006qev

EngBF DARPin Fusion 4b B6

spinqualitylabelsall models 6qev, resolution 2.70Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 6qev is a 2 chain structure. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: MN, MPD NonStd Res: DPR Related: 6qep Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Publication Abstract from PubMed To overcome the laborious identification of crystallisation conditions for protein X-ray crystallography, we developed a method where the examined protein is immobilised as a guest molecule in a universal host lattice. We applied crystal engineering to create a generic crystalline host lattice under reproducible, predefined conditions and analysed the structures of target guest molecules of different size, namely two 15-mer peptides and green fluorescent protein (sfGFP). A fusion protein with an N-terminal endo-alpha-N-acetylgalactosaminidase (EngBF) domain and a C-terminal designed ankyrin repeat protein (DARPin) domain establishes the crystal lattice. The target is recruited into the host lattice, always in the same crystal form, through binding to the DARPin. The target structures can be determined rapidly from difference Fourier maps, whose quality depends on the size of the target and the orientation of the DARPin. Structural analysis of biological targets by host:guest crystal lattice engineering.,Ernst P, Pluckthun A, Mittl PRE Sci Rep. 2019 Oct 23;9(1):15199. doi: 10.1038/s41598-019-51017-y. PMID:31645583 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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