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Open data
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Basic information
Entry | Database: PDB / ID: 1k4x | ||||||||||||||||||
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Title | POTASSIUM FORM OF OXY-1.5 QUADRUPLEX DNA | ||||||||||||||||||
![]() | DNA (5'-D(*![]() DNA / DEOXYRIBONUCLEIC ACID / QUADRUPLEX / POTASSIUM ION | Function / homology | DNA / DNA (> 10) | ![]() Method | SOLUTION NMR / DISTANCE GEOMETRY, SIMULATED ANNEALING | ![]() Schultze, P. / Hud, N.V. / Smith, F.W. / Feigon, J. | ![]() ![]() Title: The effect of sodium, potassium and ammonium ions on the conformation of the dimeric quadruplex formed by the Oxytricha nova telomere repeat oligonucleotide d(G(4)T(4)G(4)). Authors: Schultze, P. / Hud, N.V. / Smith, F.W. / Feigon, J. #1: ![]() Title: Quadruplex Structure of Oxytricha Telomeric DNA Oligonucleotides Authors: Smith, F.W. / Feigon, J. History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 132.3 KB | Display | ![]() |
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PDB format | ![]() | 101.5 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Similar structure data |
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Assembly
Deposited unit | ![]()
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NMR ensembles |
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Components
#1: DNA chain | Mass: 3805.460 Da / Num. of mol.: 2 / Source method: obtained synthetically / Details: SEQUENCE FROM OXYTRICHA NOVA |
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-Experimental details
-Experiment
Experiment | Method: SOLUTION NMR | ||||||||||||
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NMR experiment |
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Sample preparation
Details | Contents: 90% H2O/10% D2O |
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Sample conditions | pH: 6 / Pressure: 1 atm / Temperature: 278 K |
Crystal grow | *PLUS Method: other / Details: NMR |
-NMR measurement
NMR spectrometer | Type: Bruker DMX / Manufacturer: Bruker / Model: DMX / Field strength: 500 MHz |
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Processing
NMR software |
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Refinement | Method: DISTANCE GEOMETRY, SIMULATED ANNEALING / Software ordinal: 1 / Details: DETAILS GIVEN IN PUBLICATION | ||||||||||||||||
NMR ensemble | Conformer selection criteria: LEAST OVERALL ENERGY / Conformers calculated total number: 20 / Conformers submitted total number: 8 |