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- PDB-1i4r: CRYSTAL STRUCTURE OF STAPHYLOCOCCAL ENTEROTOXIN C2 AT 100K CRYSTA... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1i4r | ||||||
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Title | CRYSTAL STRUCTURE OF STAPHYLOCOCCAL ENTEROTOXIN C2 AT 100K CRYSTALLIZED AT PH 6.5 | ||||||
![]() | ENTEROTOXIN TYPE C-2 | ||||||
![]() | TOXIN / ENTEROTOXIN / SUPERANTIGEN / ZINC BINDING / IMMUNE SYSTEM | ||||||
Function / homology | ![]() | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Kumaran, D. / Swaminathan, S. | ||||||
![]() | ![]() Title: Structure of staphylococcal enterotoxin C2 at various pH levels. Authors: Kumaran, D. / Eswaramoorthy, S. / Furey, W. / Sax, M. / Swaminathan, S. #1: ![]() Title: Residues Defining V-Beta Specificity in Staphylococcal Enterotoxins Authors: Swaminathan, S. / Furey, W. / Pletcher, J. / Sax, M. #2: ![]() Title: Preliminary X-Ray Studies on Two New Crystal Forms of Staphylococcal Enterotoxin C2 Authors: Swaminathan, S. / Furey, W. / Pletcher, J. / Sax, M. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 65.6 KB | Display | ![]() |
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PDB format | ![]() | 47.4 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 424.3 KB | Display | ![]() |
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Full document | ![]() | 428 KB | Display | |
Data in XML | ![]() | 13.2 KB | Display | |
Data in CIF | ![]() | 18.9 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1cqvC ![]() 1i4pC ![]() 1i4qC ![]() 1i4xC ![]() 1se2S 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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Components
#1: Protein | Mass: 27622.967 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() |
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#2: Chemical | ChemComp-ZN / |
#3: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.15 Å3/Da / Density % sol: 43.3 % | |||||||||||||||||||||||||
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Crystal grow | Method: vapor diffusion, sitting drop / pH: 6.5 Details: PEG 8000, magnesium acetate, cacodylate, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 100K | |||||||||||||||||||||||||
Crystal grow | *PLUS | |||||||||||||||||||||||||
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: ADSC QUANTUM / Detector: CCD / Date: Jul 17, 1997 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.978 Å / Relative weight: 1 |
Reflection | Resolution: 2.07→50 Å / Num. obs: 14722 / % possible obs: 83.4 % / Observed criterion σ(I): 0 / Redundancy: 4.5 % / Rmerge(I) obs: 0.033 / Net I/σ(I): 27.4 |
Reflection shell | Resolution: 2.07→2.1 Å / % possible all: 29.7 |
Reflection | *PLUS Num. measured all: 66686 |
Reflection shell | *PLUS % possible obs: 29.7 % / Rmerge(I) obs: 0.065 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 1SE2 Resolution: 2.1→50 Å / σ(F): 0 / Stereochemistry target values: ENGH & HUBER
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Displacement parameters |
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Refinement step | Cycle: LAST / Resolution: 2.1→50 Å
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Refine LS restraints |
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Software | *PLUS Name: CNS / Version: 0.9 / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS Highest resolution: 2.1 Å / Lowest resolution: 50 Å / % reflection Rfree: 10 % | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS |