+Open data
-Basic information
Entry | Database: PDB / ID: 7mxi | ||||||
---|---|---|---|---|---|---|---|
Title | IgE-Fc in complex with DARPins E2_79 and E3_53 | ||||||
Components |
| ||||||
Keywords | IMMUNE SYSTEM / IgE / DARPin / Allergy / Inhibitor | ||||||
Function / homology | Function and homology information adaptive immune memory response / primary adaptive immune response / IgE B cell receptor complex / type I hypersensitivity / B cell antigen processing and presentation / Fc receptor-mediated immune complex endocytosis / eosinophil degranulation / IgE immunoglobulin complex / macrophage activation / type 2 immune response ...adaptive immune memory response / primary adaptive immune response / IgE B cell receptor complex / type I hypersensitivity / B cell antigen processing and presentation / Fc receptor-mediated immune complex endocytosis / eosinophil degranulation / IgE immunoglobulin complex / macrophage activation / type 2 immune response / Fc epsilon receptor (FCERI) signaling / antibody-dependent cellular cytotoxicity / mast cell degranulation / B cell proliferation / macrophage differentiation / Role of LAT2/NTAL/LAB on calcium mobilization / immunoglobulin complex, circulating / immunoglobulin receptor binding / FCERI mediated Ca+2 mobilization / complement activation, classical pathway / FCERI mediated MAPK activation / antigen binding / B cell receptor signaling pathway / FCERI mediated NF-kB activation / antibacterial humoral response / Interleukin-4 and Interleukin-13 signaling / adaptive immune response / blood microparticle / inflammatory response / immune response / extracellular space / extracellular exosome / extracellular region / plasma membrane Similarity search - Function | ||||||
Biological species | Homo sapiens (human) synthetic construct (others) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.8 Å | ||||||
Authors | Pennington, L.F. / Jardetzky, T.J. | ||||||
Funding support | United States, 1items
| ||||||
Citation | Journal: J.Allergy Clin.Immunol. / Year: 2021 Title: Structure-guided design of ultrapotent disruptive IgE inhibitors to rapidly terminate acute allergic reactions. Authors: Pennington, L.F. / Gasser, P. / Brigger, D. / Guntern, P. / Eggel, A. / Jardetzky, T.S. | ||||||
History |
|
-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
---|
-Downloads & links
-Download
PDBx/mmCIF format | 7mxi.cif.gz | 202.1 KB | Display | PDBx/mmCIF format |
---|---|---|---|---|
PDB format | pdb7mxi.ent.gz | 157 KB | Display | PDB format |
PDBx/mmJSON format | 7mxi.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 7mxi_validation.pdf.gz | 1.3 MB | Display | wwPDB validaton report |
---|---|---|---|---|
Full document | 7mxi_full_validation.pdf.gz | 1.3 MB | Display | |
Data in XML | 7mxi_validation.xml.gz | 34.3 KB | Display | |
Data in CIF | 7mxi_validation.cif.gz | 47.2 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/mx/7mxi ftp://data.pdbj.org/pub/pdb/validation_reports/mx/7mxi | HTTPS FTP |
-Related structure data
-Links
-Assembly
Deposited unit |
| ||||||||
---|---|---|---|---|---|---|---|---|---|
1 |
| ||||||||
Unit cell |
|
-Components
#1: Protein | Mass: 27550.873 Da / Num. of mol.: 2 / Fragment: C3-4 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: IGHE / Production host: Homo sapiens (human) / References: UniProt: P01854 #2: Protein | Mass: 18779.777 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) synthetic construct (others) / Production host: Escherichia coli (E. coli) #3: Protein | Mass: 15525.127 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) synthetic construct (others) / Production host: Escherichia coli (E. coli) / References: UniProt: L7MTK7 #4: Polysaccharide | Source method: isolated from a genetically manipulated source #5: Polysaccharide | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta- ...2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose | Source method: isolated from a genetically manipulated source Has ligand of interest | N | |
---|
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
---|
-Sample preparation
Crystal | Density Matthews: 2.78 Å3/Da / Density % sol: 55.9 % |
---|---|
Crystal grow | Temperature: 291 K / Method: vapor diffusion, hanging drop / pH: 4.6 Details: E3_53, E2_79, and IgE-Fc3-4 were mixed in equimolar ratios with E3_53 and E2_79, and intact complexes were purified by SEC in 20 mM Tris-HCl, pH 8.0, 50mM NaCl and concentrated to 7mg/ml and ...Details: E3_53, E2_79, and IgE-Fc3-4 were mixed in equimolar ratios with E3_53 and E2_79, and intact complexes were purified by SEC in 20 mM Tris-HCl, pH 8.0, 50mM NaCl and concentrated to 7mg/ml and mixed 1:1 with acetate buffer pH 4.6, 43% ethylene glycol w/v in hanging drops |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
---|---|
Diffraction source | Source: SYNCHROTRON / Site: SSRL / Beamline: BL9-2 / Wavelength: 0.97946 Å |
Detector | Type: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Mar 3, 2016 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.97946 Å / Relative weight: 1 |
Reflection | Resolution: 2.8→38.74 Å / Num. obs: 29053 / % possible obs: 98.65 % / Redundancy: 3.7 % / CC1/2: 0.983 / Rmerge(I) obs: 0.1948 / Net I/σ(I): 5.07 |
Reflection shell | Resolution: 2.8→2.9 Å / Rmerge(I) obs: 0.8242 / Mean I/σ(I) obs: 0.66 / Num. unique obs: 2901 / CC1/2: 0.577 / % possible all: 98.37 |
-Processing
Software |
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 4gt7, 4grg, 4ycw Resolution: 2.8→38.74 Å / SU ML: 0.39 / Cross valid method: THROUGHOUT / σ(F): 1.33 / Phase error: 25.87 / Stereochemistry target values: ML
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 149.01 Å2 / Biso mean: 61.1866 Å2 / Biso min: 18.63 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: final / Resolution: 2.8→38.74 Å
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints |
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
LS refinement shell | Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0 / Total num. of bins used: 9
|