+Open data
-Basic information
Entry | Database: PDB / ID: 7n1f | |||||||||
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Title | SARS-CoV-2 YLQ peptide-specific TCR pYLQ7 binds to YLQ-HLA-A2 | |||||||||
Components |
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Keywords | IMMUNE SYSTEM / TCR-pMHC / SARS-CoV-2 / SPIKE / YLQ | |||||||||
Function / homology | Function and homology information 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 / negative regulation of receptor binding / DAP12 interactions / antigen processing and presentation of endogenous peptide antigen via MHC class Ib / antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-independent / 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 / negative regulation of receptor binding / DAP12 interactions / antigen processing and presentation of endogenous peptide antigen via MHC class Ib / antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-independent / 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 / peptide antigen assembly with MHC class I protein complex / ER to Golgi transport vesicle membrane / 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 / positive regulation of T cell cytokine production / antigen processing and presentation of endogenous peptide antigen via MHC class I / MHC class I protein complex / negative regulation of neurogenesis / positive regulation of receptor-mediated endocytosis / peptide antigen assembly with MHC class II protein complex / multicellular organismal-level iron ion homeostasis / MHC class II protein complex / cellular response to nicotine / specific granule lumen / positive regulation of cellular senescence / positive regulation of T cell mediated cytotoxicity / recycling endosome membrane / phagocytic vesicle membrane / peptide antigen binding / antigen processing and presentation of exogenous peptide antigen via MHC class II / negative regulation of epithelial cell proliferation / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / positive regulation of immune response / Interferon gamma signaling / Modulation by Mtb of host immune system / positive regulation of T cell activation / sensory perception of smell / negative regulation of neuron projection development / positive regulation of protein binding / tertiary granule lumen / DAP12 signaling / MHC class II protein complex binding / late endosome membrane / iron ion transport / ER-Phagosome pathway / T cell differentiation in thymus / early endosome membrane / 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 / membrane fusion / receptor-mediated endocytosis of virus by host cell / 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 / symbiont-mediated suppression of host innate immune response / immune response / Amyloid fiber formation / endoplasmic reticulum lumen / lysosomal membrane / Golgi membrane / external side of plasma membrane / fusion of virus membrane with host plasma membrane / signaling receptor binding / focal adhesion / 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 Similarity search - Function | |||||||||
Biological species | Homo sapiens (human) Severe acute respiratory syndrome coronavirus 2 | |||||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.393 Å | |||||||||
Authors | Wu, D. / Mariuzza, R.A. | |||||||||
Funding support | United States, 2items
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Citation | Journal: Nat Commun / Year: 2022 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: Journal: Biorxiv / Year: 2021 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: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 7n1f.cif.gz | 180.2 KB | Display | PDBx/mmCIF format |
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PDB format | pdb7n1f.ent.gz | 139.5 KB | Display | PDB format |
PDBx/mmJSON format | 7n1f.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 7n1f_validation.pdf.gz | 455.1 KB | Display | wwPDB validaton report |
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Full document | 7n1f_full_validation.pdf.gz | 469.2 KB | Display | |
Data in XML | 7n1f_validation.xml.gz | 31.1 KB | Display | |
Data in CIF | 7n1f_validation.cif.gz | 42.7 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/n1/7n1f ftp://data.pdbj.org/pub/pdb/validation_reports/n1/7n1f | HTTPS FTP |
-Related structure data
Related structure data | 7n1aC 7n1bC 7n1cC 7n1dC 7n1eC 4udtS 6vr5S 6xqpS S: Starting model for refinement C: citing same article (ref.) |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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Components on special symmetry positions |
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-Components
-PYLQ7 T cell receptor ... , 2 types, 2 molecules DE
#1: Protein | Mass: 22814.182 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: TCR ALPHA / Production host: Escherichia coli BL21(DE3) (bacteria) |
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#2: Protein | Mass: 27729.750 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: TCR beta / Production host: Escherichia coli BL21(DE3) (bacteria) |
-Protein , 2 types, 2 molecules AB
#3: Protein | Mass: 31854.203 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: HLA-A / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: A0A5B8RNS7 |
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#4: Protein | Mass: 11879.356 Da / Num. of mol.: 1 / Fragment: UNP residues 21-119 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: B2M, CDABP0092, HDCMA22P / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P61769 |
-Protein/peptide / Non-polymers , 2 types, 88 molecules C
#5: Protein/peptide | Mass: 1151.377 Da / Num. of mol.: 1 / Fragment: epitope YLQPRTFLL (UNP residues 269-277) / Source method: obtained synthetically Source: (synth.) Severe acute respiratory syndrome coronavirus 2 References: UniProt: P0DTC2 |
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#6: Water | ChemComp-HOH / |
-Details
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: 2.65 Å3/Da / Density % sol: 53.54 % |
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Crystal grow | Temperature: 295 K / Method: vapor diffusion, hanging drop / pH: 5 Details: in 0.1M Ammonium sulfate, 0.3M Sodium formate, 0.1M Sodium acetate (pH 5.0), 3% (w/v) Gama-PGA (Na+ form, LM), 3% (w/v) PEG 20000 |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: SYNCHROTRON / Site: APS / Beamline: 23-ID-D / Wavelength: 1 Å |
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: 2.39→48.63 Å / Num. obs: 133860 / % possible obs: 99 % / Redundancy: 3.4 % / CC1/2: 0.993 / Net I/σ(I): 9.4 |
Reflection shell | Resolution: 2.39→2.48 Å / Num. unique obs: 12215 / CC1/2: 0.938 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 6XQP, 4UDT, 6VR5 Resolution: 2.393→48.63 Å / SU ML: 0.3 / Cross valid method: THROUGHOUT / σ(F): 1.38 / Phase error: 29.53 / 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: 140.43 Å2 / Biso mean: 62.6065 Å2 / Biso min: 29.12 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: final / Resolution: 2.393→48.63 Å
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LS refinement shell | Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0
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