+Open data
-Basic information
Entry | Database: PDB / ID: 6cqn | ||||||
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Title | Crystal structure of F5 TCR -DR11-RQ13 peptide complex | ||||||
Components |
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Keywords | IMMUNE SYSTEM / TCR / IMMUNE RECEPTOR | ||||||
Function / homology | Function and homology information Synthesis And Processing Of GAG, GAGPOL Polyproteins / host cellular component / host cell nuclear membrane / regulation of interleukin-4 production / regulation of interleukin-10 production / myeloid dendritic cell antigen processing and presentation / antigen processing and presentation of endogenous peptide antigen via MHC class II / autolysosome membrane / regulation of T-helper cell differentiation / positive regulation of CD4-positive, CD25-positive, alpha-beta regulatory T cell differentiation ...Synthesis And Processing Of GAG, GAGPOL Polyproteins / host cellular component / host cell nuclear membrane / regulation of interleukin-4 production / regulation of interleukin-10 production / myeloid dendritic cell antigen processing and presentation / antigen processing and presentation of endogenous peptide antigen via MHC class II / autolysosome membrane / regulation of T-helper cell differentiation / positive regulation of CD4-positive, CD25-positive, alpha-beta regulatory T cell differentiation / MHC class II receptor activity / positive regulation of T cell mediated immune response to tumor cell / positive regulation of CD4-positive, alpha-beta T cell activation / antigen processing and presentation of peptide or polysaccharide antigen via MHC class II / positive regulation of memory T cell differentiation / positive regulation of kinase activity / CD4 receptor binding / positive regulation of monocyte differentiation / inflammatory response to antigenic stimulus / integrase activity / Integration of viral DNA into host genomic DNA / Autointegration results in viral DNA circles / intermediate filament / T cell receptor complex / polysaccharide binding / T-helper 1 type immune response / transport vesicle membrane / Minus-strand DNA synthesis / Plus-strand DNA synthesis / 2-LTR circle formation / Uncoating of the HIV Virion / viral budding via host ESCRT complex / Translocation of ZAP-70 to Immunological synapse / Phosphorylation of CD3 and TCR zeta chains / Vpr-mediated nuclear import of PICs / Early Phase of HIV Life Cycle / Integration of provirus / positive regulation of insulin secretion involved in cellular response to glucose stimulus / APOBEC3G mediated resistance to HIV-1 infection / macrophage differentiation / negative regulation of type II interferon production / humoral immune response / Generation of second messenger molecules / immunological synapse / PD-1 signaling / epidermis development / Binding and entry of HIV virion / T cell receptor binding / negative regulation of T cell proliferation / detection of bacterium / viral life cycle / MHC class II antigen presentation / Membrane binding and targetting of GAG proteins / trans-Golgi network membrane / lumenal side of endoplasmic reticulum membrane / negative regulation of inflammatory response to antigenic stimulus / response to bacterium / protein tetramerization / HIV-1 retropepsin / symbiont-mediated activation of host apoptosis / retroviral ribonuclease H / Assembly Of The HIV Virion / exoribonuclease H / clathrin-coated endocytic vesicle membrane / exoribonuclease H activity / ER to Golgi transport vesicle membrane / Budding and maturation of HIV virion / protein processing / structural constituent of cytoskeleton / host multivesicular body / cognition / peptide antigen assembly with MHC class II protein complex / viral genome integration into host DNA / MHC class II protein complex / RNA-directed DNA polymerase / establishment of integrated proviral latency / viral penetration into host nucleus / symbiont-mediated suppression of host gene expression / positive regulation of T cell mediated cytotoxicity / RNA stem-loop binding / peptide antigen binding / antigen processing and presentation of exogenous peptide antigen via MHC class II / RNA-directed DNA polymerase activity / positive regulation of immune response / Interferon gamma signaling / endocytic vesicle membrane / RNA-DNA hybrid ribonuclease activity / positive regulation of T cell activation / Transferases; Transferring phosphorus-containing groups; Nucleotidyltransferases / host cell / Downstream TCR signaling / MHC class II protein complex binding / late endosome membrane / peptidase activity / T cell receptor signaling pathway / early endosome membrane / viral nucleocapsid / positive regulation of canonical NF-kappaB signal transduction / DNA recombination / adaptive immune response Similarity search - Function | ||||||
Biological species | Homo sapiens (human) HIV-1 M:B_HXB2R (virus) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.5 Å | ||||||
Authors | Farenc, C. / Gras, S. / Rossjohn, J. | ||||||
Citation | Journal: Sci Immunol / Year: 2018 Title: CD4+T cell-mediated HLA class II cross-restriction in HIV controllers. Authors: Galperin, M. / Farenc, C. / Mukhopadhyay, M. / Jayasinghe, D. / Decroos, A. / Benati, D. / Tan, L.L. / Ciacchi, L. / Reid, H.H. / Rossjohn, J. / Chakrabarti, L.A. / Gras, S. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 6cqn.cif.gz | 186.2 KB | Display | PDBx/mmCIF format |
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PDB format | pdb6cqn.ent.gz | 145.3 KB | Display | PDB format |
PDBx/mmJSON format | 6cqn.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 6cqn_validation.pdf.gz | 492.6 KB | Display | wwPDB validaton report |
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Full document | 6cqn_full_validation.pdf.gz | 501.2 KB | Display | |
Data in XML | 6cqn_validation.xml.gz | 31.4 KB | Display | |
Data in CIF | 6cqn_validation.cif.gz | 44.1 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/cq/6cqn ftp://data.pdbj.org/pub/pdb/validation_reports/cq/6cqn | HTTPS FTP |
-Related structure data
Related structure data | 6cphC 6cplC 6cpnC 6cpoC 6cqjC 6cqlC 6cqqC 6cqrC 1kgcS 4mdoS S: Starting model for refinement C: citing same article (ref.) |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
-HLA class II histocompatibility antigen, ... , 2 types, 2 molecules AB
#1: Protein | Mass: 21185.930 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: HLA-DRA, HLA-DRA1 / Production host: Homo sapiens (human) / References: UniProt: P01903 |
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#2: Protein | Mass: 22246.582 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: HLA-DRB1 / Production host: Homo sapiens (human) / References: UniProt: P20039, UniProt: P01911*PLUS |
-Protein , 2 types, 2 molecules DE
#4: Protein | Mass: 22801.225 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Production host: Homo sapiens (human) / References: UniProt: A0A0B4J272*PLUS |
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#5: Protein | Mass: 27984.145 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Production host: Homo sapiens (human) / References: UniProt: A0A0G2JMB4*PLUS |
-Protein/peptide / Sugars , 2 types, 3 molecules C
#3: Protein/peptide | Mass: 1600.797 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) HIV-1 M:B_HXB2R (virus) / Gene: gag / Production host: Homo sapiens (human) / References: UniProt: P04591, UniProt: P04585*PLUS |
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#6: Sugar |
-Non-polymers , 4 types, 139 molecules
#7: Chemical | ChemComp-SO4 / #8: Chemical | #9: Chemical | ChemComp-MG / | #10: Water | ChemComp-HOH / | |
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-Details
Has protein modification | 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: 2.84 Å3/Da / Density % sol: 56.69 % |
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Crystal grow | Temperature: 295 K / Method: vapor diffusion, hanging drop / Details: MgCl, Am SO4,PEG 3350 |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: Australian Synchrotron / Beamline: MX2 / Wavelength: 0.984 Å |
Detector | Type: ADSC QUANTUM 315r / Detector: CCD / Date: Apr 1, 2016 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.984 Å / Relative weight: 1 |
Reflection | Resolution: 2.5→45.96 Å / Num. obs: 38652 / % possible obs: 100 % / Redundancy: 9.9 % / Biso Wilson estimate: 55.81 Å2 / Rpim(I) all: 0.056 / Net I/σ(I): 13.4 |
Reflection shell | Resolution: 2.5→2.6 Å / Num. unique obs: 4320 / Rpim(I) all: 0.415 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 4MDO, 1KGC Resolution: 2.5→42.48 Å / Cor.coef. Fo:Fc: 0.9347 / Cor.coef. Fo:Fc free: 0.902 / SU R Cruickshank DPI: 0.384 / Cross valid method: THROUGHOUT / σ(F): 0 / SU R Blow DPI: 0.385 / SU Rfree Blow DPI: 0.261 / SU Rfree Cruickshank DPI: 0.264
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Displacement parameters | Biso mean: 50.62 Å2
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Refine analyze | Luzzati coordinate error obs: 0.336 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: 1 / Resolution: 2.5→42.48 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.5→2.57 Å / Total num. of bins used: 19
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