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- PDB-8i5d: Crystal structure of a TCR in complex with HLA-A*11:01 bound to K... -
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Open data
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Basic information
Entry | Database: PDB / ID: 8i5d | |||||||||||||||
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Title | Crystal structure of a TCR in complex with HLA-A*11:01 bound to KRAS peptide (VVGAVGVGK) | |||||||||||||||
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![]() | IMMUNE SYSTEM / KRAS / TCR | |||||||||||||||
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 / negative regulation of receptor binding / DAP12 interactions / 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 / negative regulation of receptor binding / DAP12 interactions / 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 / 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 / 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 / positive regulation of receptor-mediated endocytosis / peptide antigen assembly with MHC class II protein complex / 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 / peptide antigen binding / positive regulation of cellular senescence / 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 / 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 / early endosome membrane / T cell differentiation in thymus / protein refolding / protein homotetramerization / intracellular iron ion homeostasis / amyloid fibril formation / learning or memory / immune response / Amyloid fiber formation / endoplasmic reticulum lumen / external side of plasma membrane / Golgi membrane / lysosomal membrane / signaling receptor binding / focal adhesion / Neutrophil degranulation / SARS-CoV-2 activates/modulates innate and adaptive immune responses / structural molecule activity / Golgi apparatus / endoplasmic reticulum / protein homodimerization activity / extracellular space / extracellular exosome / extracellular region / identical protein binding / membrane / plasma membrane / cytosol Similarity search - Function | |||||||||||||||
Biological species | ![]() ![]() ![]() | |||||||||||||||
Method | ![]() ![]() ![]() | |||||||||||||||
![]() | Lu, D. / Chen, Y. / Jiang, M. / Tan, S.G. / Chai, Y. / Gao, G.F. | |||||||||||||||
Funding support | ![]()
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![]() | ![]() Title: Crystal structure of a TCR in complex with HLA-A*11:01 bound to KRAS peptide (VVGAVGVGK) Authors: Lu, D. / Chen, Y. / Jiang, M. / Tan, S.G. / Chai, Y. / Gao, G.F. | |||||||||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 191.5 KB | Display | ![]() |
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PDB format | ![]() | 136.2 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 8i5cC ![]() 8i5eC ![]() 6dfvS ![]() 6ovnS ![]() 6uonS ![]() 7z50S 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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Unit cell |
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Components
#1: Protein | Mass: 21426.707 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() |
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#2: Protein | Mass: 27281.393 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() |
#3: Protein | Mass: 31753.006 Da / Num. of mol.: 1 / Mutation: A245V,E253Q Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
#4: Protein | Mass: 11748.160 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
#5: Protein/peptide | Mass: 785.951 Da / Num. of mol.: 1 / Mutation: G12V / Source method: obtained synthetically / Source: (synth.) ![]() |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 3.39 Å3/Da / Density % sol: 63.72 % |
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Crystal grow | Temperature: 291.15 K / Method: vapor diffusion, sitting drop Details: 0.1 M HEPES pH 7.5, 10% w/v PEG 8000/ 8% v/v Ethylene glycol. |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Oct 13, 2021 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.97852 Å / Relative weight: 1 |
Reflection | Resolution: 3.3→50 Å / Num. obs: 20334 / % possible obs: 99.7 % / Redundancy: 9.3 % / Biso Wilson estimate: 74.5 Å2 / Rmerge(I) obs: 0.263 / Net I/σ(I): 8.333 |
Reflection shell | Resolution: 3.3→3.42 Å / Rmerge(I) obs: 1.2 / Num. unique obs: 1975 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 6UON, 6DFV, 6OVN, 7Z50 Resolution: 3.3→46.65 Å / SU ML: 0.443 / Cross valid method: FREE R-VALUE / σ(F): 1.34 / Phase error: 25.7169 Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
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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: 74.79 Å2 | |||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 3.3→46.65 Å
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Refine LS restraints |
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LS refinement shell |
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