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Open data
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Basic information
| Entry | Database: PDB / ID: 1py2 | ||||||
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| Title | Structure of a 60 nM Small Molecule Bound to a Hot Spot on IL-2 | ||||||
 Components | Interleukin-2 | ||||||
 Keywords | IMMUNE SYSTEM / IL-2 / interleukin 2 / small molecule / hot spot / molecular recognition | ||||||
| Function / homology |  Function and homology informationkappa-type opioid receptor binding / response to tacrolimus / regulation of T cell homeostatic proliferation / regulation of CD4-positive, alpha-beta T cell proliferation / interleukin-2 receptor binding / glycosphingolipid binding / positive regulation of plasma cell differentiation / negative regulation of lymphocyte proliferation / positive regulation of tissue remodeling / negative regulation of T-helper 17 cell differentiation ...kappa-type opioid receptor binding / response to tacrolimus / regulation of T cell homeostatic proliferation / regulation of CD4-positive, alpha-beta T cell proliferation / interleukin-2 receptor binding / glycosphingolipid binding / positive regulation of plasma cell differentiation / negative regulation of lymphocyte proliferation / positive regulation of tissue remodeling / negative regulation of T-helper 17 cell differentiation / RUNX1 and FOXP3 control the development of regulatory T lymphocytes (Tregs) / leukocyte activation involved in immune response / positive regulation of isotype switching to IgG isotypes / interleukin-2-mediated signaling pathway / activated T cell proliferation / cell surface receptor signaling pathway via STAT / Interleukin-2 signaling / kinase activator activity / natural killer cell activation / positive regulation of regulatory T cell differentiation / negative regulation of B cell apoptotic process / positive regulation of immunoglobulin production / positive regulation of dendritic spine development / positive regulation of activated T cell proliferation / positive regulation of interleukin-17 production / T cell differentiation / Interleukin receptor SHC signaling / positive regulation of B cell proliferation / extrinsic apoptotic signaling pathway in absence of ligand / cytokine activity / growth factor activity / negative regulation of inflammatory response / positive regulation of type II interferon production / positive regulation of inflammatory response / cell-cell signaling / positive regulation of cytosolic calcium ion concentration / carbohydrate binding / RAF/MAP kinase cascade / positive regulation of cell growth / response to ethanol / phospholipase C-activating G protein-coupled receptor signaling pathway / adaptive immune response / transcription by RNA polymerase II / cell adhesion / immune response / positive regulation of cell population proliferation / negative regulation of apoptotic process / positive regulation of transcription by RNA polymerase II / extracellular space / extracellular region Similarity search - Function  | ||||||
| Biological species |  Homo sapiens (human) | ||||||
| Method |  X-RAY DIFFRACTION /  SYNCHROTRON /  MOLECULAR REPLACEMENT / Resolution: 2.8 Å  | ||||||
 Authors | Thanos, C.D. / Randal, M. / Wells, J.A. | ||||||
 Citation |  Journal: J.Am.Chem.Soc. / Year: 2003Title: Potent small-molecule binding to a dynamic hot spot on IL-2. Authors: Thanos, C.D. / Randal, M. / Wells, J.A.  | ||||||
| History | 
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Structure visualization
| Structure viewer | Molecule:  Molmil Jmol/JSmol | 
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Downloads & links
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Download
| PDBx/mmCIF format |  1py2.cif.gz | 216.3 KB | Display |  PDBx/mmCIF format | 
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| PDB format |  pdb1py2.ent.gz | 175.7 KB | Display |  PDB format | 
| PDBx/mmJSON format |  1py2.json.gz | Tree view |  PDBx/mmJSON format | |
| Others |  Other downloads | 
-Validation report
| Summary document |  1py2_validation.pdf.gz | 1.1 MB | Display |  wwPDB validaton report | 
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| Full document |  1py2_full_validation.pdf.gz | 1.2 MB | Display | |
| Data in XML |  1py2_validation.xml.gz | 24.6 KB | Display | |
| Data in CIF |  1py2_validation.cif.gz | 29.3 KB | Display | |
| Arichive directory |  https://data.pdbj.org/pub/pdb/validation_reports/py/1py2 ftp://data.pdbj.org/pub/pdb/validation_reports/py/1py2 | HTTPS FTP  | 
-Related structure data
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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: 15334.876 Da / Num. of mol.: 4 Source method: isolated from a genetically manipulated source Source: (gene. exp.)  Homo sapiens (human) / Gene: IL2 / Production host: ![]() #2: Chemical | ChemComp-FRH / #3: Chemical | 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: 2.2 Å3/Da / Density % sol: 44.11 % | |||||||||||||||||||||||||||||||||||
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| Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop / pH: 5.9  Details: 0.05 M Zinc Acetate, 0.075 M Magnesium Chloride, 18% (w/v) Polyethylene Glycol 10K, 0.1M Sodium Cacodylate, pH 5.9. , VAPOR DIFFUSION, HANGING DROP, temperature 298K  | |||||||||||||||||||||||||||||||||||
| Crystal grow | *PLUS Method: vapor diffusion, hanging drop | |||||||||||||||||||||||||||||||||||
| Components of the solutions | *PLUS 
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-Data collection
| Diffraction | Mean temperature: 93 K | 
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| Diffraction source | Source:  SYNCHROTRON / Site:  SSRL   / Beamline: BL7-1 / Wavelength: 1.08 Å | 
| Detector | Detector: CCD / Date: Jan 24, 2003 | 
| Radiation | Monochromator: Yale Mirrors / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | 
| Radiation wavelength | Wavelength: 1.08 Å / Relative weight: 1 | 
| Reflection | Resolution: 2.8→15 Å / Num. all: 13660 / Num. obs: 15034 / % possible obs: 97 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 | 
| Reflection shell | Resolution: 2.8→2.91 Å / % possible all: 97.3 | 
| Reflection | *PLUS Highest resolution: 2.8 Å / Num. obs: 12442  / % possible obs: 97.4 % / Rmerge(I) obs: 0.108  | 
| Reflection shell | *PLUS % possible obs: 98.6 % / Rmerge(I) obs: 0.46  / Mean I/σ(I) obs: 1.4  | 
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Processing
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| Refinement | Method to determine structure:  MOLECULAR REPLACEMENT / Resolution: 2.8→15 Å / Cor.coef. Fo:Fc: 0.894  / Cor.coef. Fo:Fc free: 0.83  / SU B: 22.885  / SU ML: 0.448  / Cross valid method: THROUGHOUT / σ(F): 0  / ESU R Free: 0.508  / Stereochemistry target values: MAXIMUM LIKELIHOOD
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| Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: BABINET MODEL WITH MASK | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | Biso  mean: 21.459 Å2
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| Refinement step | Cycle: LAST / Resolution: 2.8→15 Å
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| Refine LS restraints | 
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| LS refinement shell | Resolution: 2.8→2.87 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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| Refinement | *PLUS Lowest resolution: 15 Å / Rfactor Rfree: 0.319  / Rfactor Rwork: 0.273  | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Solvent computation | *PLUS  | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | *PLUS  | 
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Homo sapiens (human)
X-RAY DIFFRACTION
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