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Open data
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Basic information
Entry | Database: PDB / ID: 8cxf | ||||||
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Title | Crystal structure of an i-motif from the HRAS promoter region | ||||||
![]() | HRAS DNA | ||||||
![]() | DNA / HRAS / i-Motif | ||||||
Function / homology | 1-METHOXY-2-[2-(2-METHOXY-ETHOXY]-ETHANE / RNA / RNA (> 10)![]() | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Yatsunyk, L.A. / Li, K.S. | ||||||
Funding support | ![]()
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![]() | ![]() Title: Crystal Structure of an i-Motif from the HRAS Oncogene Promoter. Authors: Li, K.S. / Jordan, D. / Lin, L.Y. / McCarthy, S.E. / Schneekloth Jr., J.S. / Yatsunyk, L.A. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 80.1 KB | Display | ![]() |
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PDB format | ![]() | 50.7 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 407.5 KB | Display | ![]() |
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Full document | ![]() | 407.5 KB | Display | |
Data in XML | ![]() | 4.8 KB | Display | |
Data in CIF | ![]() | 6.3 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 8dhcC 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: RNA chain | Mass: 8224.110 Da / Num. of mol.: 2 / Source method: obtained synthetically / Source: (synth.) ![]() #2: Chemical | ChemComp-PG5 / | #3: Water | ChemComp-HOH / | Has ligand of interest | N | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.99 Å3/Da / Density % sol: 55.7 % / Description: rectangular prism |
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Crystal grow | Temperature: 277 K / Method: vapor diffusion, hanging drop / pH: 6 Details: 0.05 M MES, 17% w/v PEG 4000, X M Spermine Tetrahydrochloride (ADD SPERMINE CONCENTRATION) |
-Data collection
Diffraction | Mean temperature: 196 K / Serial crystal experiment: N |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: DECTRIS PILATUS 6M-F / Detector: PIXEL / Date: Jul 8, 2021 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9196 Å / Relative weight: 1 |
Reflection | Resolution: 1.77→41.01 Å / Num. obs: 19101 / % possible obs: 95.91 % / Redundancy: 9.6 % / Biso Wilson estimate: 38.58 Å2 / CC1/2: 0.999 / Rmerge(I) obs: 0.059 / Rpim(I) all: 0.02 / Rrim(I) all: 0.062 / Net I/σ(I): 16.6 |
Reflection shell | Resolution: 1.77→1.8 Å / Redundancy: 6.1 % / Rmerge(I) obs: 1.462 / Mean I/σ(I) obs: 0.9 / Num. unique obs: 784 / CC1/2: 0.725 / Rpim(I) all: 0.625 / Rrim(I) all: 1.596 / % possible all: 68.5 |
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Processing
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Refinement | Method to determine structure: ![]() Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.1 Å / Solvent model: FLAT BULK SOLVENT MODEL | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 58.95 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.77→41.01 Å
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Refine LS restraints |
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LS refinement shell |
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Refinement TLS params. | Method: refined / Origin x: 58.7397517229 Å / Origin y: 12.7545310328 Å / Origin z: 14.9302910152 Å
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Refinement TLS group | Selection details: all |