3h9y

Crystal structure of the IgE-Fc3-4 domains

spinqualitylabelsall models 3h9y, resolution 2.23Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 3h9y is a 3 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.23Å Ligands: BMA, MAN, NAG, NH4 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function IGHE_HUMAN Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMed The structure of immunoglobulin E (IgE)-Fc(3-4) has been solved in three new crystal forms, providing 13 snapshots of the Fc conformation and revealing a diverse range of open-closed motions among subunit chains and dimers. A more detailed analysis of the open-to-closed motion of IgE-Fc(3-4) was possible with so many structures, and the new structures allow a more thorough examination of the flexibility of IgE-Fc and its implications for receptor binding. The existence of a hydrophobic pocket at the elbow region of the Fc appears to be conformation dependent and suggests a means of regulating the IgE-Fc conformation (and potentially receptor binding) with small molecules. Conformational flexibility in immunoglobulin E-Fc 3-4 revealed in multiple crystal forms.,Wurzburg BA, Jardetzky TS J Mol Biol. 2009 Oct 16;393(1):176-90. Epub 2009 Aug 13. PMID:19682998 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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