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Open data
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Basic information
| Entry | Database: PDB / ID: 4gi0 | ||||||
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| Title | Crystal structure of CD23 lectin domain mutant E249A | ||||||
Components | Low affinity immunoglobulin epsilon Fc receptor | ||||||
Keywords | IMMUNE SYSTEM / Receptor | ||||||
| Function / homology | Function and homology informationlow-affinity IgE receptor activity / B cell antigen processing and presentation / Fc receptor-mediated immune complex endocytosis / positive regulation of humoral immune response mediated by circulating immunoglobulin / NOTCH2 intracellular domain regulates transcription / macrophage activation / IgE binding / pattern recognition receptor activity / Fc-gamma receptor signaling pathway involved in phagocytosis / Interleukin-10 signaling ...low-affinity IgE receptor activity / B cell antigen processing and presentation / Fc receptor-mediated immune complex endocytosis / positive regulation of humoral immune response mediated by circulating immunoglobulin / NOTCH2 intracellular domain regulates transcription / macrophage activation / IgE binding / pattern recognition receptor activity / Fc-gamma receptor signaling pathway involved in phagocytosis / Interleukin-10 signaling / integrin binding / carbohydrate binding / protease binding / Interleukin-4 and Interleukin-13 signaling / defense response to bacterium / immune response / external side of plasma membrane / positive regulation of gene expression / extracellular exosome / metal ion binding / plasma membrane Similarity search - Function | ||||||
| Biological species | Homo sapiens (human) | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.27 Å | ||||||
Authors | Yuan, D. / Sutton, B.J. / Dhaliwal, B. | ||||||
Citation | Journal: J.Biol.Chem. / Year: 2013Title: Ca2+-dependent Structural Changes in the B-cell Receptor CD23 Increase Its Affinity for Human Immunoglobulin E. Authors: Yuan, D. / Keeble, A.H. / Hibbert, R.G. / Fabiane, S. / Gould, H.J. / McDonnell, J.M. / Beavil, A.J. / Sutton, B.J. / Dhaliwal, B. | ||||||
| History |
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 4gi0.cif.gz | 178.4 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb4gi0.ent.gz | 143.7 KB | Display | PDB format |
| PDBx/mmJSON format | 4gi0.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 4gi0_validation.pdf.gz | 454.2 KB | Display | wwPDB validaton report |
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| Full document | 4gi0_full_validation.pdf.gz | 459.4 KB | Display | |
| Data in XML | 4gi0_validation.xml.gz | 17.9 KB | Display | |
| Data in CIF | 4gi0_validation.cif.gz | 24.7 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/gi/4gi0 ftp://data.pdbj.org/pub/pdb/validation_reports/gi/4gi0 | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 4g96C ![]() 4g9aC ![]() 4gj0C ![]() 4gjxC ![]() 4gk1C ![]() 4gkoC ![]() 2h2rS S: Starting model for refinement C: citing same article ( |
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| Similar structure data |
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Links
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Assembly
| Deposited unit | ![]()
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| Unit cell |
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| Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments: Component-ID: _ / Refine code: _
NCS ensembles :
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Components
| #1: Protein | Mass: 16106.949 Da / Num. of mol.: 3 / Fragment: UNP residues 156-298 / Mutation: E249A Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: FCER2, CD23A, CLEC4J, FCE2, IGEBF / Production host: ![]() #2: Chemical | ChemComp-GOL / | #3: Water | ChemComp-HOH / | Has protein modification | Y | |
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-Experimental details
-Experiment
| Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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Sample preparation
| Crystal | Density Matthews: 2.71 Å3/Da / Density % sol: 54.64 % |
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| Crystal grow | Temperature: 291 K / Method: vapor diffusion, sitting drop / pH: 8.5 Details: 0.2M potassium thiocyanate, 0.1M bis tris propane pH 8.5, 20% PEG 3350, VAPOR DIFFUSION, SITTING DROP, temperature 291K |
-Data collection
| Diffraction | Mean temperature: 100 K |
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| Diffraction source | Source: SYNCHROTRON / Site: Diamond / Beamline: I03 / Wavelength: 0.9763 Å |
| Detector | Type: ADSC QUANTUM 315 / Detector: CCD / Date: Jan 21, 2011 |
| Radiation | Monochromator: SLIT / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 0.9763 Å / Relative weight: 1 |
| Reflection | Resolution: 2.27→65.4 Å / Num. all: 25713 / Num. obs: 25713 / % possible obs: 100 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 |
| Reflection shell | Resolution: 2.27→2.4 Å / % possible all: 100 |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENTStarting model: 2H2R Resolution: 2.27→65.36 Å / Cor.coef. Fo:Fc: 0.946 / Cor.coef. Fo:Fc free: 0.926 / Occupancy max: 1 / Occupancy min: 0.5 / SU B: 11.986 / SU ML: 0.146 / Cross valid method: THROUGHOUT / σ(F): 2.27 / ESU R: 0.261 / ESU R Free: 0.215 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: HYDROGENS HAVE BEEN USED IF PRESENT IN THE INPUT U VALUES : RESIDUAL ONLY
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| Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | Biso max: 74 Å2 / Biso mean: 50.064 Å2 / Biso min: 14.7 Å2
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| Refinement step | Cycle: LAST / Resolution: 2.27→65.36 Å
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| Refine LS restraints |
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| Refine LS restraints NCS | Refine-ID: X-RAY DIFFRACTION / Type: LOCAL / Weight: 0.05
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| LS refinement shell | Resolution: 2.273→2.332 Å / Total num. of bins used: 20
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| Refinement TLS params. | Method: refined / Refine-ID: X-RAY DIFFRACTION
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| Refinement TLS group |
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Homo sapiens (human)
X-RAY DIFFRACTION
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