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Open data
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Basic information
Entry | Database: PDB / ID: 7n1a | |||||||||
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Title | SARS-CoV-2 YLQ peptide binds to HLA-A2 | |||||||||
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![]() | IMMUNE SYSTEM / pMHC / SARS-CoV-2 / SPIKE / YLQ | |||||||||
Function / homology | ![]() 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 / 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 / cellular response to iron ion ...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 / 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 / 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 / Maturation of spike protein / viral translation / Translation of Structural Proteins / Virion Assembly and Release / host cell surface / host extracellular space / suppression by virus of host tetherin activity / amyloid fibril formation / Induction of Cell-Cell Fusion / structural constituent of virion / entry receptor-mediated virion attachment to host cell / host cell endoplasmic reticulum-Golgi intermediate compartment membrane / receptor-mediated endocytosis of virus by host cell / membrane fusion / Attachment and Entry / positive regulation of viral entry into host cell / learning or memory / receptor-mediated virion attachment to host cell / receptor ligand activity / host cell surface receptor binding / immune response / Amyloid fiber formation / endoplasmic reticulum lumen / lysosomal membrane / fusion of virus membrane with host plasma membrane / external side of plasma membrane / Golgi membrane / focal adhesion / signaling receptor binding / fusion of virus membrane with host endosome membrane / viral envelope / Neutrophil degranulation / virion attachment to host cell / SARS-CoV-2 activates/modulates innate and adaptive immune responses / host cell plasma membrane / structural molecule activity / virion membrane / Golgi apparatus / endoplasmic reticulum / protein homodimerization activity / extracellular space Similarity search - Function | |||||||||
Biological species | ![]() ![]() ![]() | |||||||||
Method | ![]() ![]() ![]() | |||||||||
![]() | Wu, D. / Mariuzza, R.A. | |||||||||
Funding support | ![]()
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![]() | ![]() Title: Structural assessment of HLA-A2-restricted SARS-CoV-2 spike epitopes recognized by public and private T-cell receptors. Authors: Wu, D. / Kolesnikov, A. / Yin, R. / Guest, J.D. / Gowthaman, R. / Shmelev, A. / Serdyuk, Y. / Dianov, D.V. / Efimov, G.A. / Pierce, B.G. / Mariuzza, R.A. #1: ![]() Title: Structural basis for recognition of two HLA-A2-restricted SARS-CoV-2 spike epitopes by public and private T cell receptors Authors: Wu, D. / Kolesnikov, A. / Yin, R. / Guest, J.D. / Gowthaman, R. / Shmelev, A. / Serdyuk, Y. / Efimov, G.A. / Pierce, B.G. / Mariuzza, R.A. | |||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 181.7 KB | Display | ![]() |
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PDB format | ![]() | 142 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
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-Validation report
Summary document | ![]() | 994.1 KB | Display | ![]() |
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Full document | ![]() | 1008.2 KB | Display | |
Data in XML | ![]() | 35.3 KB | Display | |
Data in CIF | ![]() | 50.8 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 7n1bC ![]() 7n1cC ![]() 7n1dC ![]() 7n1eC ![]() 7n1fC ![]() 6vr5S 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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2 | ![]()
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Unit cell |
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Components on special symmetry positions |
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Components
#1: Protein | Mass: 31985.398 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #2: Protein | Mass: 11879.356 Da / Num. of mol.: 2 / Fragment: UNP residues 21-119 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #3: Protein/peptide | Mass: 1151.377 Da / Num. of mol.: 2 / Fragment: epitope YLQPRTFLL (UNP residues 269-277) / Source method: obtained synthetically Source: (synth.) ![]() ![]() References: UniProt: P0DTC2 #4: Chemical | #5: Water | ChemComp-HOH / | Has ligand of interest | Y | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.49 Å3/Da / Density % sol: 50.58 % |
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Crystal grow | Temperature: 295 K / Method: vapor diffusion, hanging drop / pH: 7 Details: 0.2M Potassium thiocyanate (pH 7.0), 22% (w/v) PEG 3350 |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: DECTRIS PILATUS3 S 6M / Detector: PIXEL / Date: Mar 14, 2021 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
Reflection | Resolution: 2.065→43.318 Å / Num. obs: 558646 / % possible obs: 100 % / Redundancy: 10.2 % / CC1/2: 0.991 / Rmerge(I) obs: 0.141 / Net I/σ(I): 17.8 |
Reflection shell | Resolution: 2.065→2.14 Å / Num. unique obs: 56058 / CC1/2: 0.958 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 6VR5 Resolution: 2.065→43.318 Å / SU ML: 0.22 / Cross valid method: THROUGHOUT / σ(F): 1.4 / Phase error: 24.73 / Stereochemistry target values: ML
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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 max: 87.03 Å2 / Biso mean: 35.4111 Å2 / Biso min: 14.04 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: final / Resolution: 2.065→43.318 Å
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LS refinement shell | Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0 / % reflection obs: 100 %
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