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- PDB-7wt5: Crystal structure of HLA-A*2450 complexed with 8-mer model peptide -
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Open data
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Basic information
Entry | Database: PDB / ID: 7wt5 | ||||||||||||||||||||||||||||||
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Title | Crystal structure of HLA-A*2450 complexed with 8-mer model peptide | ||||||||||||||||||||||||||||||
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![]() | IMMUNE SYSTEM / MHC class I / antigen presentation | ||||||||||||||||||||||||||||||
Function / homology | ![]() antigen processing and presentation of exogenous peptide antigen via MHC class I, TAP-independent / : / leukocyte activation / type II interferon-mediated signaling pathway / positive regulation of ferrous iron binding / positive regulation of transferrin receptor binding / positive regulation of receptor binding / early endosome lumen / Nef mediated downregulation of MHC class I complex cell surface expression / DAP12 interactions ...antigen processing and presentation of exogenous peptide antigen via MHC class I, TAP-independent / : / leukocyte activation / type II interferon-mediated signaling pathway / positive regulation of ferrous iron binding / positive regulation of transferrin receptor binding / positive regulation of receptor binding / early endosome lumen / Nef mediated downregulation of MHC class I complex cell surface expression / DAP12 interactions / negative regulation of receptor binding / cellular response to iron ion / Endosomal/Vacuolar pathway / Antigen Presentation: Folding, assembly and peptide loading of class I MHC / 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 / regulation of erythrocyte differentiation / ER to Golgi transport vesicle membrane / 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 / specific granule lumen / recycling endosome membrane / phagocytic vesicle membrane / positive regulation of cellular senescence / peptide antigen binding / negative regulation of epithelial cell proliferation / antigen processing and presentation of exogenous peptide antigen via MHC class II / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / Interferon gamma signaling / positive regulation of immune response / Modulation by Mtb of host immune system / sensory perception of smell / positive regulation of T cell activation / positive regulation of protein binding / tertiary granule lumen / DAP12 signaling / negative regulation of neuron projection development / MHC class II protein complex binding / late endosome membrane / iron ion transport / ER-Phagosome pathway / early endosome membrane / T cell differentiation in thymus / protein refolding / protein homotetramerization / intracellular iron ion homeostasis / amyloid fibril formation / learning or memory / Amyloid fiber formation / endoplasmic reticulum lumen / lysosomal membrane / external side of plasma membrane / Golgi membrane / focal adhesion / Neutrophil degranulation / SARS-CoV-2 activates/modulates innate and adaptive immune responses / structural molecule activity / Golgi apparatus / cell surface / endoplasmic reticulum / protein homodimerization activity / extracellular space / extracellular exosome / extracellular region / identical protein binding / membrane / plasma membrane / cytosol Similarity search - Function | ||||||||||||||||||||||||||||||
Biological species | ![]() synthetic construct (others) | ||||||||||||||||||||||||||||||
Method | ![]() ![]() ![]() | ||||||||||||||||||||||||||||||
![]() | Asa, M. / Morita, D. / Sugita, M. | ||||||||||||||||||||||||||||||
Funding support | ![]()
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![]() | ![]() Title: Crystal structures of N-myristoylated lipopeptide-bound HLA class I complexes indicate reorganization of B-pocket architecture upon ligand binding. Authors: Asa, M. / Morita, D. / Kuroha, J. / Mizutani, T. / Mori, N. / Mikami, B. / Sugita, M. | ||||||||||||||||||||||||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 181.9 KB | Display | ![]() |
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PDB format | ![]() | 140.3 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 512.6 KB | Display | ![]() |
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Full document | ![]() | 526.4 KB | Display | |
Data in XML | ![]() | 33.5 KB | Display | |
Data in CIF | ![]() | 47.1 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 7wj2C ![]() 7wj3C ![]() 7wt3C ![]() 7wt4C ![]() 4f7tS S: Starting model for refinement C: citing same article ( |
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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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1 | ![]()
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2 | ![]()
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Unit cell |
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Components
-Protein , 2 types, 4 molecules ADBE
#1: Protein | Mass: 31925.289 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #2: Protein | Mass: 11819.238 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
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-Protein/peptide , 1 types, 2 molecules CF
#3: Protein/peptide | Mass: 881.998 Da / Num. of mol.: 2 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others) |
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-Non-polymers , 4 types, 385 molecules ![](data/chem/img/ZN.gif)
![](data/chem/img/TRS.gif)
![](data/chem/img/EDO.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/TRS.gif)
![](data/chem/img/EDO.gif)
![](data/chem/img/HOH.gif)
#4: Chemical | #5: Chemical | ChemComp-TRS / | #6: Chemical | ChemComp-EDO / #7: Water | ChemComp-HOH / | |
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-Details
Has ligand of interest | N |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 3.08 Å3/Da / Density % sol: 60.13 % |
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Crystal grow | Temperature: 277 K / Method: vapor diffusion, sitting drop / pH: 7.8 / Details: 100mM Tris, 20 % PEG 8000 |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: DECTRIS EIGER X 4M / Detector: PIXEL / Date: Oct 24, 2021 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
Reflection | Resolution: 2.095→50 Å / Num. obs: 64492 / % possible obs: 99.5 % / Redundancy: 3.8 % / CC1/2: 0.997 / Rmerge(I) obs: 0.086 / Net I/σ(I): 12.58 |
Reflection shell | Resolution: 2.1→2.22 Å / Rmerge(I) obs: 0.463 / Num. unique obs: 10293 / CC1/2: 0.857 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 4F7T Resolution: 2.09507668635→45.8119360216 Å / SU ML: 0.247498695787 / Cross valid method: FREE R-VALUE / σ(F): 1.35400862047 / Phase error: 22.4353743172
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 37.1007312696 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.09507668635→45.8119360216 Å
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Refine LS restraints |
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LS refinement shell |
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