+Open data
-Basic information
Entry | Database: PDB / ID: 7llj | |||||||||
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Title | Inhibitory immune receptor protein complex | |||||||||
Components |
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Keywords | IMMUNE SYSTEM / Immune receptor complex / metabolite immunity | |||||||||
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 / negative regulation of receptor binding / DAP12 interactions / 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 / defense response to Gram-negative bacterium / protein homotetramerization / intracellular iron ion homeostasis / amyloid fibril formation / learning or memory / defense response to Gram-positive bacterium / immune response / Amyloid fiber formation / endoplasmic reticulum lumen / lysosomal membrane / Golgi membrane / external side of plasma membrane / innate immune response / focal adhesion / 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 / identical protein binding / membrane / plasma membrane / cytosol Similarity search - Function | |||||||||
Biological species | Homo sapiens (human) | |||||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 3.15 Å | |||||||||
Authors | Rice, M.T. / Littler, D.R. / Rossjohn, J. / Gully, B.S. | |||||||||
Funding support | Australia, 2items
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Citation | Journal: Proc.Natl.Acad.Sci.USA / Year: 2021 Title: Recognition of the antigen-presenting molecule MR1 by a V delta 3 + gamma delta T cell receptor. Authors: Rice, M.T. / von Borstel, A. / Chevour, P. / Awad, W. / Howson, L.J. / Littler, D.R. / Gherardin, N.A. / Le Nours, J. / Giles, E.M. / Berry, R. / Godfrey, D.I. / Davey, M.S. / Rossjohn, J. / Gully, B.S. | |||||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 7llj.cif.gz | 786.6 KB | Display | PDBx/mmCIF format |
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PDB format | pdb7llj.ent.gz | 543.9 KB | Display | PDB format |
PDBx/mmJSON format | 7llj.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 7llj_validation.pdf.gz | 1 MB | Display | wwPDB validaton report |
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Full document | 7llj_full_validation.pdf.gz | 1.1 MB | Display | |
Data in XML | 7llj_validation.xml.gz | 55.4 KB | Display | |
Data in CIF | 7llj_validation.cif.gz | 74.4 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/ll/7llj ftp://data.pdbj.org/pub/pdb/validation_reports/ll/7llj | HTTPS FTP |
-Related structure data
Related structure data | 7lliC 1tvdS 4gupS 4lfhS 5d5mS C: citing same article (ref.) S: Starting model for refinement |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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Unit cell |
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Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments:
NCS ensembles :
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-Components
#1: Protein | Mass: 27757.883 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: TRGV8 / Production host: Escherichia coli (E. coli) #2: Protein | Mass: 24109.545 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: TRDV3 / Production host: Escherichia coli (E. coli) #3: Protein | Mass: 31711.670 Da / Num. of mol.: 2 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 #4: 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.) Homo sapiens (human) / Gene: B2M, CDABP0092, HDCMA22P / Production host: Escherichia coli (E. coli) / References: UniProt: P61769 #5: Chemical | 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: 5.37 Å3/Da / Density % sol: 77 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, sitting drop / pH: 7.5 / Details: 30-40% PEG 400, 0.1/0.2 HEPES pH 7.5, 0.2M MgCl2 / PH range: 7.5 |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: SYNCHROTRON / Site: Australian Synchrotron / Beamline: MX2 / Wavelength: 0.95373 Å |
Detector | Type: DECTRIS EIGER X 16M / Detector: PIXEL / Date: Jun 24, 2020 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.95373 Å / Relative weight: 1 |
Reflection | Resolution: 3.15→85.89 Å / Num. obs: 68693 / % possible obs: 100 % / Redundancy: 9.4 % / Biso Wilson estimate: 75.03 Å2 / CC1/2: 0.997 / Net I/σ(I): 9.6 |
Reflection shell | Resolution: 3.15→3.22 Å / Num. unique obs: 4609 / CC1/2: 0.713 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 4GUP, 1TVD, 4LFH, 5D5M Resolution: 3.15→75.71 Å / Cross valid method: FREE R-VALUE / σ(F): 606.25 / Phase error: 32.1747 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: 100.16 Å2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 3.15→75.71 Å
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Refine LS restraints |
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Refine LS restraints NCS |
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LS refinement shell |
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Refinement TLS params. | Method: refined / Origin x: 27.7200058654 Å / Origin y: 47.8568329463 Å / Origin z: 47.0513047283 Å
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Refinement TLS group | Selection details: all |