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- PDB-7sih: Crystal Structure of HLA B*3503 in complex with NPDIVIYQY, an 9-m... -
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Open data
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Basic information
Entry | Database: PDB / ID: 7sih | ||||||
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Title | Crystal Structure of HLA B*3503 in complex with NPDIVIYQY, an 9-mer epitope from HIV-I | ||||||
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![]() | IMMUNE SYSTEM / HLA B*3503 / HIV / TCR / T cell / viral peptide | ||||||
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 / HIV-1 retropepsin / 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 / retroviral ribonuclease H / exoribonuclease H / 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 / exoribonuclease H activity / 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 / host multivesicular body / multicellular organismal-level iron ion homeostasis / negative regulation of neurogenesis / DNA integration / peptide antigen assembly with MHC class II protein complex / positive regulation of receptor-mediated endocytosis / MHC class II protein complex / cellular response to nicotine / viral genome integration into host DNA / positive regulation of T cell mediated cytotoxicity / RNA-directed DNA polymerase / establishment of integrated proviral latency / viral penetration into host nucleus / specific granule lumen / recycling endosome membrane / RNA stem-loop binding / 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 / RNA-directed DNA polymerase activity / positive regulation of immune response / Modulation by Mtb of host immune system / host cell / RNA-DNA hybrid ribonuclease activity / sensory perception of smell / Transferases; Transferring phosphorus-containing groups; Nucleotidyltransferases / 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 / symbiont-mediated suppression of host gene expression / iron ion transport / ER-Phagosome pathway / early endosome membrane / T cell differentiation in thymus / protein refolding / viral nucleocapsid / protein homotetramerization / DNA recombination / intracellular iron ion homeostasis / amyloid fibril formation / membrane => GO:0016020 / DNA-directed DNA polymerase / Hydrolases; Acting on ester bonds / aspartic-type endopeptidase activity / learning or memory / DNA-directed DNA polymerase activity / symbiont entry into host cell / Amyloid fiber formation / endoplasmic reticulum lumen / Golgi membrane / lysosomal membrane / external side of plasma membrane / focal adhesion / lipid binding / host cell nucleus / Neutrophil degranulation / SARS-CoV-2 activates/modulates innate and adaptive immune responses / host cell plasma membrane / structural molecule activity / virion membrane / Golgi apparatus / endoplasmic reticulum / protein homodimerization activity / proteolysis Similarity search - Function | ||||||
Biological species | ![]() ![]() ![]() | ||||||
Method | ![]() ![]() ![]() ![]() | ||||||
![]() | Gras, S. / Lobos, C.A. / Chatzileontiadou, D.S.M. | ||||||
Funding support | ![]()
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![]() | ![]() Title: Molecular insights into the HLA-B35 molecules' classification associated with HIV control. Authors: Lobos, C.A. / Chatzileontiadou, D.S. / Sok, B. / Almedia, C.A. / Halim, H. / D'Orsogna, L. / Gras, S. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 99.3 KB | Display | ![]() |
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PDB format | ![]() | 73 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 453.6 KB | Display | ![]() |
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Full document | ![]() | 455.6 KB | Display | |
Data in XML | ![]() | 18.3 KB | Display | |
Data in CIF | ![]() | 26.2 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 7sifC ![]() 7sigC ![]() 4lnrS 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: 32000.344 Da / Num. of mol.: 1 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: 1124.243 Da / Num. of mol.: 1 / Fragment: UNP residues 774-782 / Source method: obtained synthetically / Details: peptide from HIV / Source: (synth.) ![]() ![]() |
#4: Chemical | ChemComp-GOL / |
#5: Water | ChemComp-HOH / |
Has ligand of interest | N |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.56 Å3/Da / Density % sol: 51.87 % / Mosaicity: 0.23 ° |
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Crystal grow | Temperature: 277 K / Method: vapor diffusion, sitting drop / pH: 7.5 / Details: 0.1M HEPES, 20% PEG8000 |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N | ||||||||||||||||||||||||||||||
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Diffraction source | Source: ![]() ![]() ![]() | ||||||||||||||||||||||||||||||
Detector | Type: DECTRIS EIGER X 16M / Detector: PIXEL / Date: Nov 30, 2020 | ||||||||||||||||||||||||||||||
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | ||||||||||||||||||||||||||||||
Radiation wavelength | Wavelength: 0.98 Å / Relative weight: 1 | ||||||||||||||||||||||||||||||
Reflection | Resolution: 1.9→46.19 Å / Num. obs: 36900 / % possible obs: 99.9 % / Redundancy: 4.9 % / Biso Wilson estimate: 23.91 Å2 / CC1/2: 0.992 / Rmerge(I) obs: 0.139 / Rpim(I) all: 0.07 / Rrim(I) all: 0.156 / Net I/σ(I): 7.5 / Num. measured all: 181802 / Scaling rejects: 43 | ||||||||||||||||||||||||||||||
Reflection shell | Diffraction-ID: 1
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-Phasing
Phasing | Method: ![]() | ||||||
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Phasing MR | Model details: Phaser MODE: MR_AUTO
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 4lnr Resolution: 1.9→46.19 Å / Cor.coef. Fo:Fc: 0.928 / Cor.coef. Fo:Fc free: 0.919 / SU R Cruickshank DPI: 0.148 / Cross valid method: THROUGHOUT / σ(F): 0 / SU R Blow DPI: 0.154 / SU Rfree Blow DPI: 0.137 / SU Rfree Cruickshank DPI: 0.134
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Displacement parameters | Biso max: 72.2 Å2 / Biso mean: 25.03 Å2 / Biso min: 10.43 Å2
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Refine analyze | Luzzati coordinate error obs: 0.25 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: final / Resolution: 1.9→46.19 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.9→1.91 Å / Rfactor Rfree error: 0 / Total num. of bins used: 51
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