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- PDB-1b3j: STRUCTURE OF THE MHC CLASS I HOMOLOG MIC-A, A GAMMADELTA T CELL LIGAND -
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Open data
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Basic information
Entry | Database: PDB / ID: 1b3j | |||||||||
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Title | STRUCTURE OF THE MHC CLASS I HOMOLOG MIC-A, A GAMMADELTA T CELL LIGAND | |||||||||
![]() | MHC CLASS I HOMOLOG MIC-A | |||||||||
![]() | IMMUNE SYSTEM / HC I HOMOLOG / HUMAN MICA / MICA / IMMUNOLOGY / MHC / GAMMA-DELTA-TCR / GLYCOPROTEIN / SIGNA IMMUNOGLOBULIN FOLD / T-CELL | |||||||||
Function / homology | ![]() immune response to tumor cell / natural killer cell lectin-like receptor binding / negative regulation of natural killer cell activation / negative regulation of natural killer cell mediated cytotoxicity / gamma-delta T cell activation / 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 / T cell mediated cytotoxicity / positive regulation of T cell mediated cytotoxicity ...immune response to tumor cell / natural killer cell lectin-like receptor binding / negative regulation of natural killer cell activation / negative regulation of natural killer cell mediated cytotoxicity / gamma-delta T cell activation / 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 / T cell mediated cytotoxicity / positive regulation of T cell mediated cytotoxicity / peptide antigen binding / Immunoregulatory interactions between a Lymphoid and a non-Lymphoid cell / response to heat / defense response to virus / killing of cells of another organism / defense response to bacterium / immune response / external side of plasma membrane / signaling receptor binding / DNA damage response / cell surface / extracellular space / plasma membrane / cytoplasm Similarity search - Function | |||||||||
Biological species | ![]() | |||||||||
Method | ![]() ![]() | |||||||||
![]() | Li, P. / Willie, S. / Bauer, S. / Morris, D. / Spies, T. / Strong, R. | |||||||||
![]() | ![]() Title: Crystal structure of the MHC class I homolog MIC-A, a gammadelta T cell ligand. Authors: Li, P. / Willie, S.T. / Bauer, S. / Morris, D.L. / Spies, T. / Strong, R.K. #1: ![]() Title: Expression, Purification, Crystallization and Cryst Graphic Charatterization of the Human Mhc Class I R Protein Mica Authors: Bauer, S. / Willie, S.T. / Spies, T. / Strong, R.K. | |||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 63.8 KB | Display | ![]() |
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PDB format | ![]() | 49 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 452.5 KB | Display | ![]() |
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Full document | ![]() | 471.7 KB | Display | |
Data in XML | ![]() | 9.7 KB | Display | |
Data in CIF | ![]() | 13.9 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
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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Components on special symmetry positions |
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Components
#1: Protein | Mass: 31600.236 Da / Num. of mol.: 1 / Fragment: EXTRACELLULAR DOMAIN, RESIDUES 1 - 274 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
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#2: Polysaccharide | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose Source method: isolated from a genetically manipulated source |
#3: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 5.3 Å3/Da / Density % sol: 80 % | ||||||||||||||||||||
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Crystal grow | pH: 5.5 / Details: pH 5.50 | ||||||||||||||||||||
Components of the solutions |
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Crystal grow | *PLUS Temperature: 291 K / Method: vapor diffusion, hanging dropDetails: drop consists of equal volume of protein and reservoir solutions | ||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() |
Detector | Type: RIGAKU RAXIS VI / Detector: IMAGE PLATE / Date: May 1, 1998 / Details: YALE MIRRORS |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 3→25 Å / Num. obs: 15536 / % possible obs: 97.9 % / Redundancy: 4 % / Biso Wilson estimate: 70.1 Å2 / Rmerge(I) obs: 0.061 / Rsym value: 0.061 / Net I/σ(I): 23.5 |
Reflection shell | Resolution: 3→3.05 Å / Redundancy: 3.2 % / Rmerge(I) obs: 0.356 / Mean I/σ(I) obs: 3.2 / Rsym value: 0.356 / % possible all: 96.6 |
Reflection | *PLUS Highest resolution: 2.8 Å / Num. obs: 19368 / % possible obs: 99.7 % / Num. measured all: 130489 / Rmerge(I) obs: 0.063 |
Reflection shell | *PLUS % possible obs: 100 % / Rmerge(I) obs: 0.329 / Mean I/σ(I) obs: 5.8 |
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Processing
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Refinement | Method to determine structure: ![]() Details: BULK SOLVENT MODEL USED BULK SOLVENT MODELING. METHOD USED: FLAT MODEL KSOL: 0.30 BSOL: 50.0 (A**2)
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Solvent computation | Bsol: 50 Å2 / ksol: 0.3 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 46.1 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 3→15 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 3→3.19 Å / Rfactor Rfree error: 0.026 / Total num. of bins used: 6
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Xplor file |
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Software | *PLUS Name: ![]() | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS Highest resolution: 2.8 Å / Lowest resolution: 9999 Å / Num. reflection obs: 18416 / Rfactor obs: 0.253 / Rfactor Rfree: 0.293 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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LS refinement shell | *PLUS |