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- PDB-2git: Human Class I MHC HLA-A2 in complex with the modified HTLV-1 TAX ... -
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Open data
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Basic information
Entry | Database: PDB / ID: 2git | ||||||
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Title | Human Class I MHC HLA-A2 in complex with the modified HTLV-1 TAX (Y5K-4-[3-Indolyl]-butyric acid) peptide | ||||||
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![]() | IMMUNE SYSTEM / HTLV-1 TAX peptide / haptenated peptide / Lysine-4-(3-Indolyl)-butyric acid / MHC class I / HLA-A2 | ||||||
Function / homology | ![]() T cell mediated cytotoxicity directed against tumor cell target / positive regulation of memory T cell activation / TAP complex binding / positive regulation of CD8-positive, alpha-beta T cell activation / CD8-positive, alpha-beta T cell activation / Golgi medial cisterna / positive regulation of CD8-positive, alpha-beta T cell proliferation / CD8 receptor binding / antigen processing and presentation of exogenous peptide antigen via MHC class I / endoplasmic reticulum exit site ...T cell mediated cytotoxicity directed against tumor cell target / positive regulation of memory T cell activation / TAP complex binding / positive regulation of CD8-positive, alpha-beta T cell activation / CD8-positive, alpha-beta T cell activation / Golgi medial cisterna / positive regulation of CD8-positive, alpha-beta T cell proliferation / CD8 receptor binding / antigen processing and presentation of exogenous peptide antigen via MHC class I / endoplasmic reticulum exit site / antigen processing and presentation of endogenous peptide antigen via MHC class I via ER pathway, TAP-dependent / TAP binding / protection from natural killer cell mediated cytotoxicity / beta-2-microglobulin binding / T cell receptor binding / detection of bacterium / 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 / 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 / lumenal side of endoplasmic reticulum membrane / 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 / Interferon alpha/beta signaling / positive regulation of type II interferon production / sensory perception of smell / positive regulation of T cell activation / positive regulation of protein binding / tertiary granule lumen / E3 ubiquitin ligases ubiquitinate target proteins / DAP12 signaling / negative regulation of neuron projection development / MHC class II protein complex binding / late endosome membrane / T cell receptor signaling pathway / iron ion transport / ER-Phagosome pathway / early endosome membrane / antibacterial humoral response / T cell differentiation in thymus / protein refolding / 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 / external side of plasma membrane / Golgi membrane / innate immune response / focal adhesion / signaling receptor binding / Neutrophil degranulation / endoplasmic reticulum membrane / SARS-CoV-2 activates/modulates innate and adaptive immune responses / structural molecule activity / Golgi apparatus / cell surface / endoplasmic reticulum Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Borbulevych, O.Y. / Baker, B.M. | ||||||
![]() | ![]() Title: T Cell Receptor Recognition via Cooperative Conformational Plasticity. Authors: Gagnon, S.J. / Borbulevych, O.Y. / Davis-Harrison, R.L. / Turner, R.V. / Damirjian, M. / Wojnarowicz, A. / Biddison, W.E. / Baker, B.M. | ||||||
History |
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Remark 600 | HETEROGEN 3-Indolyl-butyric acid (Ligand Code 3IB) is covalently bonded to LYS 5 in Chain C and F. ...HETEROGEN 3-Indolyl-butyric acid (Ligand Code 3IB) is covalently bonded to LYS 5 in Chain C and F. Coordinates were not included because the ligand was disordered. |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 191.4 KB | Display | ![]() |
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PDB format | ![]() | 149.2 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 484.4 KB | Display | ![]() |
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Full document | ![]() | 489.4 KB | Display | |
Data in XML | ![]() | 38.1 KB | Display | |
Data in CIF | ![]() | 57.2 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 2gj6C ![]() 2av1S S: Starting model for refinement C: citing same article ( |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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Unit cell |
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Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments: Component-ID: 1 / Refine code: 4
NCS ensembles :
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Components
-Protein , 2 types, 4 molecules ADBE
#1: Protein | Mass: 31854.203 Da / Num. of mol.: 2 Fragment: Human class I major histocompatibility complex heavy chain Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #2: Protein | Mass: 11879.356 Da / Num. of mol.: 2 / Fragment: beta-2-microglobulin Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() |
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-Protein/peptide , 1 types, 2 molecules CF
#3: Protein/peptide | Mass: 1036.286 Da / Num. of mol.: 2 / Fragment: HTLV-1 TAX peptide / Mutation: Y5K-4-[3-Indolyl]-butyric acid / Source method: obtained synthetically / Details: Commercial synthesis for the peptide |
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-Non-polymers , 4 types, 804 molecules ![](data/chem/img/GOL.gif)
![](data/chem/img/NA.gif)
![](data/chem/img/FMT.gif)
![](data/chem/img/HOH.gif)
![](data/chem/img/NA.gif)
![](data/chem/img/FMT.gif)
![](data/chem/img/HOH.gif)
#4: Chemical | ChemComp-GOL / #5: Chemical | ChemComp-NA / | #6: Chemical | ChemComp-FMT / #7: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.5 Å3/Da / Density % sol: 50.72 % |
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Crystal grow | Temperature: 277 K / Method: vapor diffusion, sitting drop / pH: 6.5 Details: PEG3350 24%, MES 0.025M, HCOOH 0.1M, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MARMOSAIC 300 mm CCD / Detector: CCD / Date: Nov 22, 2005 |
Radiation | Monochromator: DOUBLE CRYSTAL SI(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.979 Å / Relative weight: 1 |
Reflection | Resolution: 1.7→20 Å / Num. all: 94809 / Num. obs: 87035 / % possible obs: 91.8 % / Observed criterion σ(F): 1 / Observed criterion σ(I): 1 / Redundancy: 1.9 % / Biso Wilson estimate: 18 Å2 / Rmerge(I) obs: 0.087 / Net I/σ(I): 14 |
Reflection shell | Resolution: 1.7→1.76 Å / Redundancy: 1.7 % / Rmerge(I) obs: 0.239 / Mean I/σ(I) obs: 3.13 / Num. unique all: 6273 / % possible all: 66.2 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 2AV1 Resolution: 1.7→20 Å / Cor.coef. Fo:Fc: 0.959 / Cor.coef. Fo:Fc free: 0.939 / SU B: 4.822 / SU ML: 0.081 / TLS residual ADP flag: LIKELY RESIDUAL / Cross valid method: THROUGHOUT / σ(F): 1 / ESU R: 0.117 / ESU R Free: 0.115 / Stereochemistry target values: Engh & Huber Details: The side chain of LYI (RES 5 chain C,F) is disordered and was not modeled.
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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: BABINET MODEL WITH MASK | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 11.513 Å2
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Refinement step | Cycle: LAST / Resolution: 1.7→20 Å
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Refine LS restraints |
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Refine LS restraints NCS | Dom-ID: 1 / Refine-ID: X-RAY DIFFRACTION
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LS refinement shell | Resolution: 1.7→1.745 Å / Total num. of bins used: 20
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Refinement TLS params. | Method: refined / Refine-ID: X-RAY DIFFRACTION
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Refinement TLS group |
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