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Open data
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Basic information
| Entry | Database: PDB / ID: 3efd | ||||||
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| Title | The crystal structure of the cytoplasmic domain of KcsA | ||||||
Components |
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Keywords | IMMUNE SYSTEM / Helix bundle / C-terminus | ||||||
| Function / homology | Immunoglobulins / Immunoglobulin-like / Sandwich / Mainly Beta Function and homology information | ||||||
| Biological species | ![]() ![]() | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.6 Å | ||||||
Authors | Uysal, S. / Vasquez, V. / Tereshko, V. / Esaki, K. / Fellouse, F.A. / Sidhu, S.S. / Koide, S. / Perozo, E. / Kossiakoff, A. | ||||||
Citation | Journal: Proc.Natl.Acad.Sci.USA / Year: 2009Title: Crystal structure of full-length KcsA in its closed conformation. Authors: Uysal, S. / Vasquez, V. / Tereshko, V. / Esaki, K. / Fellouse, F.A. / Sidhu, S.S. / Koide, S. / Perozo, E. / Kossiakoff, 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 | 3efd.cif.gz | 99.2 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb3efd.ent.gz | 75.7 KB | Display | PDB format |
| PDBx/mmJSON format | 3efd.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 3efd_validation.pdf.gz | 432.1 KB | Display | wwPDB validaton report |
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| Full document | 3efd_full_validation.pdf.gz | 456 KB | Display | |
| Data in XML | 3efd_validation.xml.gz | 20.8 KB | Display | |
| Data in CIF | 3efd_validation.cif.gz | 28.1 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/ef/3efd ftp://data.pdbj.org/pub/pdb/validation_reports/ef/3efd | HTTPS FTP |
-Related structure data
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Links
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Assembly
| Deposited unit | ![]()
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| 1 |
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| Unit cell |
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Components
| #1: Antibody | Mass: 22960.484 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
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| #2: Antibody | Mass: 23708.432 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
| #3: Protein/peptide | Mass: 3631.964 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) ![]() |
| #4: Water | ChemComp-HOH / |
| Has protein modification | Y |
-Experimental details
-Experiment
| Experiment | Method: X-RAY DIFFRACTION |
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Sample preparation
| Crystal | Density Matthews: 2.55 Å3/Da / Density % sol: 51.7 % |
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| Crystal grow | Temperature: 298 K / Method: vapor diffusion, sitting drop / pH: 7 Details: 20% PEG2000 and 20 mM Bis-Tris propane, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K |
-Data collection
| Diffraction source | Source: SYNCHROTRON / Site: APS / Beamline: 23-ID-D / Wavelength: 1 Å |
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| Detector | Type: ADSC QUANTUM 315 / Detector: CCD / Date: Oct 10, 2007 |
| Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
| Reflection | Resolution: 2.6→50 Å / Num. all: 15270 / Num. obs: 13735 / % possible obs: 98.1 % / Observed criterion σ(F): 2 / Observed criterion σ(I): 2 |
| Reflection shell | Resolution: 2.6→2.7 Å / % possible all: 99.2 |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.6→50 Å / Cor.coef. Fo:Fc: 0.944 / Cor.coef. Fo:Fc free: 0.92 / SU B: 36.289 / SU ML: 0.361 / TLS residual ADP flag: LIKELY RESIDUAL / Cross valid method: THROUGHOUT / σ(F): 2 / ESU R Free: 0.381 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
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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: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | Biso mean: 69.799 Å2
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| Refinement step | Cycle: LAST / Resolution: 2.6→50 Å
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| Refine LS restraints |
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| LS refinement shell | Resolution: 2.605→2.672 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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