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Open data
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Basic information
Entry | Database: PDB / ID: 4pzq | ||||||||||||||||||||
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Title | Crystal Structure of CCG DNA repeats | ||||||||||||||||||||
![]() | DNA (5'-D(*![]() DNA / i-motif / hemiprotonated CC+ pairs / CCG triplet repeat | Function / homology | : / DNA / DNA (> 10) | ![]() Biological species | ![]() Method | ![]() ![]() ![]() ![]() Chen, Y.W. / Hou, M.H. | ![]() ![]() Title: Structural basis for the identification of an i-motif tetraplex core with a parallel-duplex junction as a structural motif in CCG triplet repeats Authors: Chen, Y.W. / Jhan, C.R. / Neidle, S. / Hou, M.H. History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 16.5 KB | Display | ![]() |
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PDB format | ![]() | 10.1 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 366.7 KB | Display | ![]() |
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Full document | ![]() | 366.7 KB | Display | |
Data in XML | ![]() | 3.2 KB | Display | |
Data in CIF | ![]() | 4 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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1 | ![]()
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Unit cell |
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Components on special symmetry positions |
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Components
#1: DNA chain | Mass: 3295.150 Da / Num. of mol.: 1 / Source method: obtained synthetically / Details: This sequence occurs naturally in Humans. / Source: (synth.) ![]() | ||
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#2: Chemical | #3: Water | ChemComp-HOH / | |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.99 Å3/Da / Density % sol: 58.92 % |
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Crystal grow | Temperature: 277.15 K / Method: vapor diffusion, sitting drop / pH: 6 Details: 50MM SODIUM CACODYLATE, 1MM MAGNESIUM CHLORIDE, 5% MPD, 2MM COBALT(II) CHLORIDE, 1MM CHROMOMYCIN A3, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 277.15K |
-Data collection
Diffraction | Mean temperature: 100 K | ||||||||||||
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Diffraction source | Source: ![]() ![]() ![]() | ||||||||||||
Detector | Type: ADSC QUANTUM 315r / Detector: CCD / Date: Sep 19, 2012 | ||||||||||||
Radiation | Monochromator: LN2-COOLED, FIXED-EXIT DOUBLE CRYSTAL MONOCHROMATOR Protocol: MAD / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | ||||||||||||
Radiation wavelength |
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Reflection | Resolution: 2.24→30 Å / Num. obs: 2159 / % possible obs: 99.2 % / Observed criterion σ(F): 0 / Observed criterion σ(I): -3 / Rmerge(I) obs: 0.04 | ||||||||||||
Reflection shell | Resolution: 2.24→2.32 Å / Redundancy: 8.2 % / Rmerge(I) obs: 0.274 / Mean I/σ(I) obs: 5.851 / % possible all: 94.4 |
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Processing
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Refinement | Method to determine structure: ![]()
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Refinement step | Cycle: LAST / Resolution: 2.24→30 Å
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Refine LS restraints |
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