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Open data
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Basic information
Entry | Database: PDB / ID: 8esh | |||||||||
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Title | Structure of chimeric HLA-A*02:01 bound to CMV peptide | |||||||||
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![]() | IMMUNE SYSTEM / Major Histocompatibility Complex (MHC) | |||||||||
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 / cellular response to iron ion / Endosomal/Vacuolar pathway / Antigen Presentation: Folding, assembly and peptide loading of class I MHC ...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 / 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 / amyloid fibril formation / learning or memory / Amyloid fiber formation / endoplasmic reticulum lumen / Golgi membrane / lysosomal membrane / external side of plasma membrane / 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 | ![]() ![]() ![]() | |||||||||
![]() | Florio, T.J. / Ani, O. / Young, M.C. / Mallik, L. / Sgourakis, N.G. | |||||||||
Funding support | ![]()
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![]() | ![]() Title: Decoupling peptide binding from T cell receptor recognition with engineered chimeric MHC-I molecules. Authors: Papadaki, G.F. / Ani, O. / Florio, T.J. / Young, M.C. / Danon, J.N. / Sun, Y. / Dersh, D. / Sgourakis, N.G. | |||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 93.6 KB | Display | ![]() |
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PDB format | ![]() | 69.4 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 437.4 KB | Display | ![]() |
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Full document | ![]() | 441.8 KB | Display | |
Data in XML | ![]() | 15.9 KB | Display | |
Data in CIF | ![]() | 21.1 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 8erxC ![]() 1q94S ![]() 1s9wS ![]() 2bnrS ![]() 4qrtS ![]() 5hhnS ![]() 5vgeS ![]() 6rpbS 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: 31651.775 Da / Num. of mol.: 1 Mutation: F9D, A24S, G62R, E63N, K66I, V67F, A69T, H70N, H74D, V76E, D77S, T80N, V95L, R97S, H114N, Y116N, T142I, L156D Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
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#2: Protein | Mass: 11748.160 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() |
#3: Protein/peptide | Mass: 1199.486 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) ![]() ![]() |
#4: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.99 Å3/Da / Density % sol: 58.87 % |
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Crystal grow | Temperature: 294.15 K / Method: vapor diffusion, sitting drop / pH: 8.5 Details: 0.2 M Sodium Fluoride, 0.1 M BIS-TRIS propane pH 8.5, 20-24% PEG 3350 |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N | ||||||||||||||||||||||||||||||
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Diffraction source | Source: ![]() ![]() ![]() | ||||||||||||||||||||||||||||||
Detector | Type: DECTRIS PILATUS3 6M / Detector: PIXEL / Date: Feb 23, 2022 | ||||||||||||||||||||||||||||||
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | ||||||||||||||||||||||||||||||
Radiation wavelength | Wavelength: 0.979 Å / Relative weight: 1 | ||||||||||||||||||||||||||||||
Reflection | Resolution: 2.72→104.21 Å / Num. obs: 14511 / % possible obs: 99.9 % / Redundancy: 17.4 % / Biso Wilson estimate: 65.12 Å2 / CC1/2: 0.999 / Rmerge(I) obs: 0.102 / Rpim(I) all: 0.024 / Rrim(I) all: 0.105 / Net I/σ(I): 24.9 / Num. measured all: 252693 | ||||||||||||||||||||||||||||||
Reflection shell | Diffraction-ID: 1
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 5HHN, 1S9W, 4QRT, 5VGE, 1Q94, 2BNR, 6RPB Resolution: 2.72→60.16 Å / SU ML: 0.42 / Cross valid method: THROUGHOUT / σ(F): 1.37 / Phase error: 29.38 / 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: 122.92 Å2 / Biso mean: 63.0298 Å2 / Biso min: 42.59 Å2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: final / Resolution: 2.72→60.16 Å
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LS refinement shell | Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0 / Total num. of bins used: 10
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