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- PDB-8xp8: Crystal structure of d(ACGmCCGT/ACGGCGT) in complex with Echinomycin -
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Open data
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Basic information
Entry | Database: PDB / ID: 8xp8 | ||||||
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Title | Crystal structure of d(ACGmCCGT/ACGGCGT) in complex with Echinomycin | ||||||
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![]() | DNA/ANTIBIOTIC / DNA-ligand Complex / DNA / Antibiotic / DNA-ANTIBIOTIC complex | ||||||
Function / homology | Echinomycin / : / 2-CARBOXYQUINOXALINE / DNA![]() | ||||||
Biological species | ![]() synthetic construct (others) | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Hou, M.H. / Lin, S.M. / Neidle, H. | ||||||
Funding support | ![]()
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![]() | ![]() Title: Crystal structure of d(ACGmCCGT/ACGGCGT) Authors: 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 | ![]() | 40.9 KB | Display | ![]() |
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PDB format | ![]() | 28.3 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 436.2 KB | Display | ![]() |
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Full document | ![]() | 438.7 KB | Display | |
Data in XML | ![]() | 5.3 KB | Display | |
Data in CIF | ![]() | 6.5 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 8xpaC 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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Unit cell |
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Components
-DNA chain , 2 types, 2 molecules AB
#1: DNA chain | Mass: 2138.423 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others) |
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#2: DNA chain | Mass: 2112.426 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others) |
-Protein/peptide , 1 types, 2 molecules DE
-Non-polymers , 3 types, 54 molecules ![](data/chem/img/MN.gif)
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![](data/chem/img/HOH.gif)
![](data/chem/img/QUI.gif)
![](data/chem/img/HOH.gif)
#4: Chemical | #5: Chemical | ChemComp-QUI / ![]() Details: ECHINOMYCIN IS A BICYCLIC OCTADEPSIPEPTIDE. BICYCLIZATION IS ACHIEVED BY LINKING THE N- AND THE C- TERMINI, AND A THIOACETAL BOND BETWEEN RESIDUES 3 AND 7. THE TWO QUINOXALINE CHROMOPHORES ...Details: ECHINOMYCIN IS A BICYCLIC OCTADEPSIPEPTIDE. BICYCLIZATION IS ACHIEVED BY LINKING THE N- AND THE C- TERMINI, AND A THIOACETAL BOND BETWEEN RESIDUES 3 AND 7. THE TWO QUINOXALINE CHROMOPHORES ARE LINKED TO THE D-SERINE RESIDUES, RESIDUES 1 AND 5. References: Echinomycin #6: Water | ChemComp-HOH / | |
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-Details
Compound details | THE ECHINOMYCIN IS A BICYCLIC OCTADEPSIPEPTIDE, A MEMBER OF THE QUINOXALINE CLASS OF ANTIBIOTICS. ...THE ECHINOMYCI |
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Has ligand of interest | N |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.52 Å3/Da / Density % sol: 51.28 % |
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Crystal grow | Temperature: 293.15 K / Method: vapor diffusion, sitting drop Details: 20mM MES (pH 6), 5mM Spermine HCl, 1.2% PEG 200, 10mM MnCl2 |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Diffraction source | Source: ![]() ![]() ![]() | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Detector | Type: RAYONIX MX300-HS / Detector: CCD / Date: Oct 16, 2021 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation wavelength | Wavelength: 0.99984 Å / Relative weight: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection | Resolution: 1.64→30 Å / Num. obs: 7315 / % possible obs: 98.9 % / Redundancy: 10.8 % / Rmerge(I) obs: 0.055 / Net I/σ(I): 17 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection shell | Diffraction-ID: 1
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Processing
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Refinement | Method to determine structure: ![]()
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.1 Å / Solvent model: FLAT BULK SOLVENT MODEL | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.64→16.66 Å
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Refine LS restraints |
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LS refinement shell |
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Refinement TLS params. | Method: refined / Refine-ID: X-RAY DIFFRACTION
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Refinement TLS group |
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