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Open data
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Basic information
Entry | Database: PDB / ID: 8f20 | ||||||
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Title | Structure of an A-tract B-DNA Dodecamer: 5'-CGCAAAAAAGCG-3 | ||||||
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![]() | DNA / AT sequence / Minor groove | ||||||
Function / homology | DNA / DNA (> 10)![]() | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Ogbonna, E.N. / Wilson, W.D. | ||||||
Funding support | ![]()
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![]() | ![]() Title: X-ray Structure Characterization of the Selective Recognition of AT Base Pair Sequences. Authors: Ogbonna, E.N. / Paul, A. / Farahat, A.A. / Terrell, J.R. / Mineva, E. / Ogbonna, V. / Boykin, D.W. / Wilson, W.D. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 29.8 KB | Display | ![]() |
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PDB format | ![]() | 15.6 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 378.6 KB | Display | ![]() |
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Full document | ![]() | 378.6 KB | Display | |
Data in XML | ![]() | 2.5 KB | Display | |
Data in CIF | ![]() | 2.9 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 8ec1C ![]() 8ed6C ![]() 8edaC ![]() 8edbC ![]() 8f1sC ![]() 8f1vC ![]() 8f2wC ![]() 8f2yC ![]() 8f94C ![]() 8fb4C ![]() 8fdpC ![]() 8fdqC ![]() 8fdrC ![]() 1bnaS S: Starting model for refinement C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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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: DNA chain | Mass: 3689.446 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) ![]() |
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#2: DNA chain | Mass: 3635.362 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) ![]() |
#3: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.37 Å3/Da / Density % sol: 48.2 % |
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Crystal grow | Temperature: 298 K / Method: vapor diffusion / pH: 7 Details: MPD, SODIUM CACODYLATE TRIHYDRATE, SPERMINE TETRACHLORIDE, SODIUM CHLORIDE, MAGNESIUM HEXAHYDRATE |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: DECTRIS EIGER X 9M / Detector: PIXEL / Date: Sep 28, 2022 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
Reflection | Resolution: 2.23→25.65 Å / Num. obs: 3703 / % possible obs: 99.3 % / Redundancy: 2 % / Biso Wilson estimate: 65.23 Å2 / CC1/2: 1 / Net I/σ(I): 24.03 |
Reflection shell | Resolution: 2.23→2.31 Å / Num. unique obs: 374 / CC1/2: 0.918 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 1BNA Resolution: 2.23→25.65 Å / SU ML: 0.4338 / Cross valid method: FREE R-VALUE / σ(F): 1.39 / Phase error: 43.357 Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL | ||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 62.11 Å2 | ||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.23→25.65 Å
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Refine LS restraints |
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LS refinement shell |
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