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- PDB-3ikv: Crystal structure of a Rex-family repressor R90D mutant from Ther... -
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Open data
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Basic information
Entry | Database: PDB / ID: 3ikv | ||||||
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Title | Crystal structure of a Rex-family repressor R90D mutant from Thermus aquaticus | ||||||
![]() | Redox-sensing transcriptional repressor rex | ||||||
![]() | DNA BINDING PROTEIN / redox-sensing / winged helix / Rossmann fold / Nicotinamide Adenine Dinucleotide / NAD / Rex / Thermus aquaticus / Mutant / Cytoplasm / DNA-binding / Repressor / Transcription / Transcription regulation | ||||||
Function / homology | ![]() response to redox state / DNA-binding transcription factor activity / negative regulation of DNA-templated transcription / DNA binding / cytoplasm Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | McLaughlin, K.J. / Kielkopf, C.L. | ||||||
![]() | ![]() Title: Structural basis for NADH/NAD+ redox sensing by a Rex family repressor. Authors: McLaughlin, K.J. / Strain-Damerell, C.M. / Xie, K. / Brekasis, D. / Soares, A.S. / Paget, M.S. / Kielkopf, C.L. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 95.7 KB | Display | ![]() |
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PDB format | ![]() | 72.6 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 433.1 KB | Display | ![]() |
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Full document | ![]() | 438.9 KB | Display | |
Data in XML | ![]() | 19.2 KB | Display | |
Data in CIF | ![]() | 27.1 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 3iktC ![]() 3il2C ![]() 1xcbS 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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Details | BIOLOGICAL UNIT IS THE SAME AS ASYMMETRIC UNIT. |
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Components
#1: Protein | Mass: 22688.332 Da / Num. of mol.: 2 / Mutation: R90D Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() #2: Chemical | ChemComp-CA / | #3: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.76 Å3/Da / Density % sol: 55.41 % |
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Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop / pH: 6 Details: 20-30% PEG 400, 0.1M Na Cacodylate pH 6.0, 5-10% Glycerol, 0.1-0.2M CaCl2, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: ADSC QUANTUM 4 / Detector: CCD / Date: Jun 15, 2006 Details: Vertically collimating mirror followed by a channel-cut Si(111) crystal monochromator and a double focusing toroidal mirror |
Radiation | Monochromator: Si(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.98 Å / Relative weight: 1 |
Reflection | Resolution: 2.4→50 Å / Num. obs: 20539 / % possible obs: 98.5 % / Redundancy: 7.1 % / Rsym value: 0.143 / Net I/σ(I): 13.9 |
Reflection shell | Resolution: 2.4→2.49 Å / Redundancy: 3.3 % / Mean I/σ(I) obs: 1.9 / Rsym value: 0.251 / % possible all: 92.2 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB entry 1XCB Resolution: 2.4→20 Å / Cross valid method: MAXIMUM LIKELIHOOD / σ(F): 0
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Refinement step | Cycle: LAST / Resolution: 2.4→20 Å
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Refine LS restraints |
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