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Open data
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Basic information
Entry | Database: PDB / ID: 8tq9 | ||||||
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Title | Crystal structure of Fab.S19.8 in complex with MHC-I (H2-Dd) | ||||||
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![]() | IMMUNE SYSTEM / histocompatibility complex class I / MHC-I / immune response / immune system Fab / antibody / anti-MHC antibody / cancer tumor | ||||||
Function / homology | ![]() Synthesis and processing of ENV and VPU / evasion of host immune response / Alpha-defensins / Endosomal/Vacuolar pathway / DAP12 interactions / Antigen Presentation: Folding, assembly and peptide loading of class I MHC / ER-Phagosome pathway / DAP12 signaling / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / Dectin-2 family ...Synthesis and processing of ENV and VPU / evasion of host immune response / Alpha-defensins / Endosomal/Vacuolar pathway / DAP12 interactions / Antigen Presentation: Folding, assembly and peptide loading of class I MHC / ER-Phagosome pathway / DAP12 signaling / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / Dectin-2 family / antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-dependent / Binding and entry of HIV virion / beta-2-microglobulin binding / cellular defense response / positive regulation of plasma membrane raft polarization / positive regulation of receptor clustering / positive regulation of establishment of T cell polarity / Neutrophil degranulation / host cell endosome membrane / antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-independent / antigen processing and presentation of endogenous peptide antigen via MHC class Ib / lumenal side of endoplasmic reticulum membrane / actin filament organization / peptide binding / Assembly Of The HIV Virion / cellular response to iron(III) ion / antigen processing and presentation of exogenous protein antigen via MHC class Ib, TAP-dependent / negative regulation of forebrain neuron differentiation / Budding and maturation of HIV virion / regulation of erythrocyte differentiation / peptide antigen assembly with MHC class I protein complex / regulation of iron ion transport / response to molecule of bacterial origin / MHC class I peptide loading complex / HFE-transferrin receptor complex / T cell mediated cytotoxicity / antigen processing and presentation of endogenous peptide antigen via MHC class I / positive regulation of T cell cytokine production / MHC class I protein complex / multicellular organismal-level iron ion homeostasis / negative regulation of neurogenesis / peptide antigen assembly with MHC class II protein complex / positive regulation of receptor-mediated endocytosis / MHC class II protein complex / cellular response to nicotine / positive regulation of T cell mediated cytotoxicity / phagocytic vesicle membrane / peptide antigen binding / positive regulation of cellular senescence / antigen processing and presentation of exogenous peptide antigen via MHC class II / negative regulation of epithelial cell proliferation / positive regulation of immune response / sensory perception of smell / positive regulation of T cell activation / negative regulation of neuron projection development / MHC class II protein complex binding / late endosome membrane / iron ion transport / T cell differentiation in thymus / protein refolding / protein homotetramerization / clathrin-dependent endocytosis of virus by host cell / intracellular iron ion homeostasis / amyloid fibril formation / learning or memory / viral protein processing / symbiont entry into host cell / immune response / lysosomal membrane / fusion of virus membrane with host plasma membrane / external side of plasma membrane / signaling receptor binding / virus-mediated perturbation of host defense response / fusion of virus membrane with host endosome membrane / viral envelope / protein-containing complex binding / virion attachment to host cell / host cell plasma membrane / virion membrane / structural molecule activity / Golgi apparatus / protein homodimerization activity / extracellular space / membrane / plasma membrane / cytosol Similarity search - Function | ||||||
Biological species | ![]() ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Jiang, J. / Boyd, L.F. / Natarajan, K. / Margulies, D.H. | ||||||
Funding support | ![]()
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![]() | ![]() Title: Experimental Structures of Antibody/MHC-I Complexes Reveal Details of Epitopes Overlooked by Computational Prediction. Authors: Boyd, L.F. / Jiang, J. / Ahmad, J. / Natarajan, K. / Margulies, D.H. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 402 KB | Display | ![]() |
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PDB format | ![]() | 273.8 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 478.3 KB | Display | ![]() |
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Full document | ![]() | 488.9 KB | Display | |
Data in XML | ![]() | 29.8 KB | Display | |
Data in CIF | ![]() | 40.6 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 8tq7C ![]() 8tq8C ![]() 8tqaC ![]() 5weuS ![]() 8tq4 ![]() 8tq5 ![]() 8tq6 C: citing same article ( S: Starting model for refinement |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
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Assembly
Deposited unit | ![]()
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Unit cell |
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Components
-Protein , 2 types, 2 molecules AB
#1: Protein | Mass: 31819.361 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() |
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#2: Protein | Mass: 11894.601 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() |
-Protein/peptide , 1 types, 1 molecules P
#5: Protein/peptide | Mass: 1075.265 Da / Num. of mol.: 1 / Fragment: HV1: HIV-1 P18-I10 (UNP residues 311-320) / Source method: obtained synthetically / Source: (synth.) ![]() |
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-Antibody , 2 types, 2 molecules HL
#3: Antibody | Mass: 23467.322 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() |
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#4: Antibody | Mass: 23615.980 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() |
-Non-polymers , 3 types, 60 molecules ![](data/chem/img/SO4.gif)
![](data/chem/img/GOL.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/GOL.gif)
![](data/chem/img/HOH.gif)
#6: Chemical | ChemComp-SO4 / |
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#7: Chemical | ChemComp-GOL / |
#8: Water | ChemComp-HOH / |
-Details
Has ligand of interest | N |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.96 Å3/Da / Density % sol: 58.51 % |
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Crystal grow | Temperature: 291 K / Method: vapor diffusion, hanging drop / pH: 5.6 Details: 0.5 M ammonium sulfate, 0.1 M sodium citrate, pH 5.6, 1.0 M lithium sulfate |
-Data collection
Diffraction | Mean temperature: 273 K / Serial crystal experiment: N |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: DECTRIS EIGER X 16M / Detector: PIXEL / Date: Feb 20, 2020 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
Reflection | Resolution: 2.9→54.18 Å / Num. obs: 24406 / % possible obs: 95.4 % / Redundancy: 7.4 % / Biso Wilson estimate: 59.02 Å2 / CC1/2: 0.998 / CC star: 1 / Rmerge(I) obs: 0.108 / Rpim(I) all: 0.042 / Net I/σ(I): 7.4 |
Reflection shell | Resolution: 2.9→3 Å / Redundancy: 1.8 % / Rmerge(I) obs: 1.158 / Mean I/σ(I) obs: 7.2 / Num. unique obs: 2174 / CC1/2: 0.648 / CC star: 0.887 / Rpim(I) all: 0.455 / % possible all: 89.8 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB entry 5WEU Resolution: 2.9→54.18 Å / SU ML: 0.3353 / Cross valid method: FREE R-VALUE / σ(F): 2 / Phase error: 24.1139 Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.1 Å / Solvent model: FLAT BULK SOLVENT MODEL | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 65.12 Å2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.9→54.18 Å
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Refine LS restraints |
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LS refinement shell |
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Refinement TLS params. | Method: refined / Refine-ID: X-RAY DIFFRACTION
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Refinement TLS group | Refine-ID: X-RAY DIFFRACTION
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