6TZQ
A DNA G-quadruplex/i-motif hybrid
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6 | 295 | 30% PEG 400, 20 mM barium chloride, 10 mM spermidine, 30 mM Bis-Tris pH 8.5; Equilibrated against 5% PEG 400 and 4 ul of glacial acetic acid |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.98 | 58.66 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 37.377 | α = 90 |
b = 37.377 | β = 90 |
c = 98.651 | γ = 120 |
Symmetry | |
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Space Group | P 32 2 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 | PIXEL | DECTRIS PILATUS 6M-F | 2018-10-25 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 24-ID-C | 0.9196 | APS | 24-ID-C |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | 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 | 2.29 | 49.33 | 99.9 | 0.138 | 0.142 | 0.035 | 1 | 8.2 | 17.4 | 3955 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 2.29 | 2.37 | 100 | 1.653 | 1.702 | 0.4 | 0.969 | 18 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | 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 | 6TZR | 2.29 | 32.88 | 3560 | 373 | 99.39 | 0.2223 | 0.2551 | RANDOM | 71.434 |
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] | |
0.05 | 0.03 | 0.05 | -0.17 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_angle_other_deg | 1.674 |
r_angle_refined_deg | 1.565 |
r_chiral_restr | 0.119 |
r_gen_planes_refined | 0.009 |
r_bond_refined_d | 0.005 |
r_bond_other_d | 0.002 |
r_gen_planes_other | 0.001 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | |
Nucleic Acid Atoms | 444 |
Solvent Atoms | 1 |
Heterogen Atoms | 1 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
Aimless | data scaling |
PDB_EXTRACT | data extraction |
XDS | data reduction |
SHELXCD | phasing |