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Yorodumi- PDB-2c7u: Conflicting selective forces affect CD8 T-cell receptor contact s... -
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-Basic information
Entry | Database: PDB / ID: 2c7u | ||||||
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Title | Conflicting selective forces affect CD8 T-cell receptor contact sites in an HLA-A2 immunodominant HIV epitope. | ||||||
Components |
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Keywords | GLYCOPROTEIN/PEPTIDE / GLYCOPROTEIN-PEPTIDE COMPLEX / MHC / TCR / HLA-A2 / HIV / GLYCOPROTEIN / IMMUNE RESPONSE / MHC I / TRANSMEMBRANE / IMMUNOGLOBULIN DOMAIN / PYRROLIDONE CARBOXYLIC ACID / AIDS | ||||||
Function / homology | Function and homology information T cell mediated cytotoxicity directed against tumor cell target / antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-dependent / positive regulation of memory T cell activation / TAP complex binding / antigen processing and presentation of exogenous peptide antigen via MHC class I / Golgi medial cisterna / positive regulation of CD8-positive, alpha-beta T cell activation / CD8-positive, alpha-beta T cell activation / positive regulation of CD8-positive, alpha-beta T cell proliferation / CD8 receptor binding ...T cell mediated cytotoxicity directed against tumor cell target / antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-dependent / positive regulation of memory T cell activation / TAP complex binding / antigen processing and presentation of exogenous peptide antigen via MHC class I / Golgi medial cisterna / positive regulation of CD8-positive, alpha-beta T cell activation / CD8-positive, alpha-beta T cell activation / positive regulation of CD8-positive, alpha-beta T cell proliferation / CD8 receptor binding / endoplasmic reticulum exit site / beta-2-microglobulin binding / TAP binding / protection from natural killer cell mediated cytotoxicity / 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 / detection of bacterium / T cell receptor binding / positive regulation of ferrous iron binding / positive regulation of transferrin receptor binding / early endosome lumen / positive regulation of receptor binding / Nef mediated downregulation of MHC class I complex cell surface expression / DAP12 interactions / negative regulation of receptor binding / lumenal side of endoplasmic reticulum membrane / 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 / 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 / Interferon gamma signaling / positive regulation of immune response / negative regulation of epithelial cell proliferation / Modulation by Mtb of host immune system / positive regulation of T cell activation / Interferon alpha/beta signaling / positive regulation of type II interferon production / sensory perception of smell / negative regulation of neuron projection development / E3 ubiquitin ligases ubiquitinate target proteins / 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 / antibacterial humoral response / iron ion transport / T cell receptor signaling pathway / protein refolding / early endosome membrane / protein homotetramerization / intracellular iron ion homeostasis / amyloid fibril formation / learning or memory / defense response to Gram-positive bacterium / immune response / Amyloid fiber formation / lysosomal membrane / endoplasmic reticulum lumen / external side of plasma membrane / Golgi membrane / signaling receptor binding / focal adhesion / innate immune response / Neutrophil degranulation / structural molecule activity / endoplasmic reticulum membrane / SARS-CoV-2 activates/modulates innate and adaptive immune responses / Golgi apparatus / cell surface / endoplasmic reticulum / protein homodimerization activity Similarity search - Function | ||||||
Biological species | HOMO SAPIENS (human) HUMAN IMMUNODEFICIENCY VIRUS 1 | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / OTHER / Resolution: 2.38 Å | ||||||
Authors | Iversen, A.K. / Stewart-Jones, G. / Learn, G.H. / Christie, N. / Sylvester-Hviid, C. / Armitage, A.E. / Kaul, R. / Beattie, T. / Lee, J.K. / Li, Y. ...Iversen, A.K. / Stewart-Jones, G. / Learn, G.H. / Christie, N. / Sylvester-Hviid, C. / Armitage, A.E. / Kaul, R. / Beattie, T. / Lee, J.K. / Li, Y. / Chotiyarnwong, P. / Dong, T. / Xu, X. / Luscher, M.A. / MacDonald, K. / Ullum, H. / Klarlund-Pedersen, B. / Skinhoj, P. / Fugger, J.L. / Buus, S. / Mullins, J.I. / Jones, E.Y. / van der Merwe, P.A. / McMichael, A.J. | ||||||
Citation | Journal: Nat.Immunol. / Year: 2006 Title: Conflicting Selective Forces Affect T Cell Receptor Contacts in an Immunodominant Human Immunodeficiency Virus Epitope. Authors: Iversen, A.K. / Stewart-Jones, G. / Learn, G.H. / Christie, N. / Sylvester-Hviid, C. / Armitage, A.E. / Kaul, R. / Beattie, T. / Lee, J.K. / Li, Y. / Chotiyarnwong, P. / Dong, T. / Xu, X. / ...Authors: Iversen, A.K. / Stewart-Jones, G. / Learn, G.H. / Christie, N. / Sylvester-Hviid, C. / Armitage, A.E. / Kaul, R. / Beattie, T. / Lee, J.K. / Li, Y. / Chotiyarnwong, P. / Dong, T. / Xu, X. / Luscher, M.A. / Macdonald, K. / Ullum, H. / Klarlund-Pedersen, B. / Skinhoj, P. / Fugger, L. / Buus, S. / Mullins, J.I. / Jones, E.Y. / Van Der Merwe, P.A. / Mcmichael, A.J. | ||||||
History |
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Remark 700 | SHEET THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN ORDER TO REPRESENT THIS FEATURE IN ... SHEET THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW, TWO SHEETS ARE DEFINED. |
-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 2c7u.cif.gz | 166.9 KB | Display | PDBx/mmCIF format |
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PDB format | pdb2c7u.ent.gz | 141.2 KB | Display | PDB format |
PDBx/mmJSON format | 2c7u.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/c7/2c7u ftp://data.pdbj.org/pub/pdb/validation_reports/c7/2c7u | HTTPS FTP |
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-Related structure data
Related structure data | |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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2 |
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Unit cell |
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-Components
#1: Protein | Mass: 31951.316 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) HOMO SAPIENS (human) / Plasmid: PET-22B / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BLR / References: UniProt: P01892, UniProt: P04439*PLUS #2: Protein | Mass: 11879.356 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) HOMO SAPIENS (human) / Plasmid: PET-22B / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BLR / References: UniProt: P61769 #3: Protein/peptide | Mass: 977.155 Da / Num. of mol.: 2 / Fragment: RESIDUES 7-15 / Source method: obtained synthetically / Source: (synth.) HUMAN IMMUNODEFICIENCY VIRUS 1 / References: UniProt: O11822 #4: Water | ChemComp-HOH / | Compound details | INVOLVED IN THE PRESENTATI | |
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-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION |
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-Sample preparation
Crystal | Density Matthews: 2.7 Å3/Da / Density % sol: 54.37 % |
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Crystal grow | pH: 6.5 / Details: pH 6.50 |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: SRS / Beamline: PX14.2 / Wavelength: 0.977 |
Detector | Type: ADSC CCD / Detector: CCD / Date: Oct 23, 2003 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.977 Å / Relative weight: 1 |
Reflection | Resolution: 2.4→20 Å / Num. obs: 138420 / % possible obs: 96.8 % / Observed criterion σ(I): 0.9 / Redundancy: 3.7 % / Rmerge(I) obs: 0.07 |
-Processing
Software | Name: REFMAC / Version: 5.2.0019 / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Refinement | Method to determine structure: OTHER / Resolution: 2.38→81.38 Å / Cor.coef. Fo:Fc: 0.928 / Cor.coef. Fo:Fc free: 0.881 / SU B: 26.462 / SU ML: 0.326 / TLS residual ADP flag: LIKELY RESIDUAL / Cross valid method: THROUGHOUT / ESU R: 0.513 / ESU R Free: 0.331 / 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: 1.2 Å / Solvent model: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 55.48 Å2
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Refinement step | Cycle: LAST / Resolution: 2.38→81.38 Å
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