+Open data
-Basic information
Entry | Database: PDB / ID: 7zt2 | ||||||
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Title | Structure of E8 TCR in complex with human MR1 bound to 5-OP-RU | ||||||
Components |
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Keywords | IMMUNE SYSTEM / TCR / MR1 / 5-OP-RU | ||||||
Function / homology | Function and homology information positive regulation of T cell mediated cytotoxicity directed against tumor cell target / antigen processing and presentation of exogenous antigen / MHC class I receptor activity / antigen processing and presentation of peptide antigen via MHC class I / beta-2-microglobulin binding / T cell receptor binding / positive regulation of ferrous iron binding / positive regulation of transferrin receptor binding / positive regulation of receptor binding / early endosome lumen ...positive regulation of T cell mediated cytotoxicity directed against tumor cell target / antigen processing and presentation of exogenous antigen / MHC class I receptor activity / antigen processing and presentation of peptide antigen via MHC class I / beta-2-microglobulin binding / T cell receptor binding / 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 / Endosomal/Vacuolar pathway / Antigen Presentation: Folding, assembly and peptide loading of class I MHC / antigen processing and presentation of exogenous protein antigen via MHC class Ib, TAP-dependent / cellular response to iron(III) ion / negative regulation of forebrain neuron differentiation / ER to Golgi transport vesicle membrane / peptide antigen assembly with MHC class I protein complex / response to molecule of bacterial origin / regulation of erythrocyte differentiation / regulation of iron ion transport / MHC class I peptide loading complex / HFE-transferrin receptor complex / T cell mediated cytotoxicity / cellular response to iron ion / 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 / positive regulation of T cell mediated cytotoxicity / peptide antigen assembly with MHC class II protein complex / negative regulation of neurogenesis / MHC class II protein complex / positive regulation of receptor-mediated endocytosis / cellular response to nicotine / recycling endosome membrane / phagocytic vesicle membrane / specific granule lumen / peptide antigen binding / positive regulation of cellular senescence / antigen processing and presentation of exogenous peptide antigen via MHC class II / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / positive regulation of immune response / negative regulation of epithelial cell proliferation / Interferon gamma signaling / positive regulation of T cell activation / Modulation by Mtb of host immune system / sensory perception of smell / negative regulation of neuron projection development / tertiary granule lumen / DAP12 signaling / MHC class II protein complex binding / late endosome membrane / T cell differentiation in thymus / positive regulation of protein binding / ER-Phagosome pathway / iron ion transport / protein refolding / early endosome membrane / protein homotetramerization / intracellular iron ion homeostasis / defense response to Gram-negative bacterium / amyloid fibril formation / learning or memory / defense response to Gram-positive bacterium / immune response / Amyloid fiber formation / lysosomal membrane / external side of plasma membrane / endoplasmic reticulum lumen / Golgi membrane / focal adhesion / innate immune response / Neutrophil degranulation / endoplasmic reticulum membrane / 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 / membrane / identical protein binding / plasma membrane / cytosol Similarity search - Function | ||||||
Biological species | Homo sapiens (human) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.4 Å | ||||||
Authors | Karuppiah, V. / Srikannathasan, V. / Robinson, R.A. | ||||||
Funding support | 1items
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Citation | Journal: J.Exp.Med. / Year: 2023 Title: Promiscuous recognition of MR1 drives self-reactive mucosal-associated invariant T cell responses. Authors: Chancellor, A. / Alan Simmons, R. / Khanolkar, R.C. / Nosi, V. / Beshirova, A. / Berloffa, G. / Colombo, R. / Karuppiah, V. / Pentier, J.M. / Tubb, V. / Ghadbane, H. / Suckling, R.J. / Page, ...Authors: Chancellor, A. / Alan Simmons, R. / Khanolkar, R.C. / Nosi, V. / Beshirova, A. / Berloffa, G. / Colombo, R. / Karuppiah, V. / Pentier, J.M. / Tubb, V. / Ghadbane, H. / Suckling, R.J. / Page, K. / Crean, R.M. / Vacchini, A. / De Gregorio, C. / Schaefer, V. / Constantin, D. / Gligoris, T. / Lloyd, A. / Hock, M. / Srikannathasan, V. / Robinson, R.A. / Besra, G.S. / van der Kamp, M.W. / Mori, L. / Calogero, R. / Cole, D.K. / De Libero, G. / Lepore, M. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 7zt2.cif.gz | 341.8 KB | Display | PDBx/mmCIF format |
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PDB format | pdb7zt2.ent.gz | 274.8 KB | Display | PDB format |
PDBx/mmJSON format | 7zt2.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/zt/7zt2 ftp://data.pdbj.org/pub/pdb/validation_reports/zt/7zt2 | HTTPS FTP |
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-Related structure data
Related structure data | 7zt3C 7zt4C 7zt5C 7zt7C 7zt8C 7zt9C 4pj7S S: Starting model for refinement C: citing same article (ref.) |
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Similar structure data | Similarity search - Function & homologyF&H Search |
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
-Protein , 4 types, 4 molecules ABDE
#1: Protein | Mass: 33782.867 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: MR1 / Production host: Escherichia coli (E. coli) / References: UniProt: Q95460 |
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#2: Protein | Mass: 11879.356 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: B2M, CDABP0092, HDCMA22P / Production host: Escherichia coli (E. coli) / References: UniProt: P61769 |
#3: Protein | Mass: 22884.367 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Production host: Escherichia coli (E. coli) |
#4: Protein | Mass: 29243.314 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Production host: Escherichia coli (E. coli) |
-Non-polymers , 3 types, 58 molecules
#5: Chemical | ChemComp-2LJ / | ||
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#6: Chemical | #7: Water | ChemComp-HOH / | |
-Details
Has ligand of interest | 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: 3.13 Å3/Da / Density % sol: 60.75 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, sitting drop Details: 0.2 M Potassium thiocyanate, 0.1 M Bis-Tris Propane pH 8.5, 20 % PEG 3350 |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: SYNCHROTRON / Site: Diamond / Beamline: I04 / Wavelength: 0.9795 Å |
Detector | Type: DECTRIS EIGER2 XE 16M / Detector: PIXEL / Date: Feb 24, 2020 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9795 Å / Relative weight: 1 |
Reflection | Resolution: 2.4→59.24 Å / Num. obs: 44054 / % possible obs: 99.12 % / Redundancy: 15.2 % / CC1/2: 0.999 / Rmerge(I) obs: 0.133 / Rpim(I) all: 0.035 / Rrim(I) all: 0.137 / Net I/σ(I): 13.8 |
Reflection shell | Resolution: 2.4→2.44 Å / Rmerge(I) obs: 3.872 / Mean I/σ(I) obs: 0.8 / Num. unique obs: 2149 / CC1/2: 0.419 / Rpim(I) all: 1.073 / Rrim(I) all: 4.022 / % possible all: 98.17 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 4PJ7 Resolution: 2.4→59.24 Å / Cor.coef. Fo:Fc: 0.956 / Cor.coef. Fo:Fc free: 0.925 / SU B: 30.23 / SU ML: 0.293 / Cross valid method: THROUGHOUT / ESU R: 0.337 / ESU R Free: 0.266 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1 Å / Solvent model: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 78.013 Å2
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Refinement step | Cycle: 1 / Resolution: 2.4→59.24 Å
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