3CDM
Structural adaptation and conservation in quadruplex-drug recognition
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1KF1 | PDB ENTRY 1KF1 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 283 | 333mM ammonium sulfate, 10mM magnesium chloride, 50mM sodium chloride, 50mM potassium chloride, 50mM potassium cacodylate pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 283K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.24 | 62 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 39.575 | α = 90 |
b = 43.084 | β = 103.58 |
c = 56.937 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 210 | Monochromator | 2007-10-07 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID14-1 | 0.9785 | ESRF | ID14-1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | ||||||||
1 | 2.1 | 28.69 | 91 | 0.036 | 17.9 | 2.86 | 10055 | 10055 | 46 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
2.1 | 2.18 | 95.9 | 0.116 | 6.4 | 2.94 | 1041 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1KF1 | 2.1 | 10 | 9497 | 9497 | 478 | 91.26 | 0.23409 | 0.23409 | 0.29491 | RANDOM | 26.776 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
0.51 | 0.53 | -1.42 | 1.15 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_scangle_it | 4.226 |
r_angle_refined_deg | 2.804 |
r_scbond_it | 2.779 |
r_nbd_refined | 0.342 |
r_nbtor_refined | 0.331 |
r_xyhbond_nbd_refined | 0.219 |
r_symmetry_vdw_refined | 0.17 |
r_symmetry_hbond_refined | 0.126 |
r_chiral_restr | 0.125 |
r_metal_ion_refined | 0.107 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | |
Nucleic Acid Atoms | 950 |
Solvent Atoms | 158 |
Heterogen Atoms | 256 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
ADSC | data collection |
d*TREK | data reduction |
d*TREK | data scaling |
PHASER | phasing |