6TQI
I-MOTIF STRUCTURE FORMED FROM THE C STRAND OF A HUMAN TELOMERE FRAGMENT
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.5 | 285 | 15% PEG 400, 5 mM spermine, 50 mM 2-(N-morpholino)ethanesulfonic acid (MES) |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.25 | 45.5 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 31.9 | α = 90 |
b = 31.9 | β = 90 |
c = 81.88 | γ = 120 |
Symmetry | |
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Space Group | P 62 2 2 |
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 | 2013-04-25 | M | SINGLE WAVELENGTH | ||||||
2 | 1 | x-ray | 100 | PIXEL | DECTRIS PILATUS 12M | 2016-02-18 | M | SINGLE WAVELENGTH | ||||||
3 | 1 | x-ray | 100 | PIXEL | DECTRIS PILATUS 2M | 2016-02-07 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | DIAMOND BEAMLINE I02 | 1.00 | Diamond | I02 |
2 | SYNCHROTRON | DIAMOND BEAMLINE I23 | 3.0996 | Diamond | I23 |
3 | SYNCHROTRON | DIAMOND BEAMLINE I02 | 0.92007 | Diamond | I02 |
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 | 2.9 | 27.63 | 99.7 | 0.036 | 0.037 | 0.007 | 0.999 | 79.6 | 30.1 | 704 |
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 | 2.9 | 3.25 | 99 | 0.045 | 0.046 | 0.011 | 1 | 33.7 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | SAD | THROUGHOUT | 2.95 | 25 | 647 | 30 | 98.26 | 0.2384 | 0.2389 | 0.2267 | RANDOM | 49.393 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
-0.27 | -0.14 | -0.27 | 0.88 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_angle_other_deg | 1.633 |
r_angle_refined_deg | 0.94 |
r_chiral_restr | 0.066 |
r_gen_planes_refined | 0.012 |
r_bond_refined_d | 0.011 |
r_gen_planes_other | 0.002 |
r_bond_other_d |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | |
Nucleic Acid Atoms | 178 |
Solvent Atoms | |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
XDS | data reduction |
Aimless | data scaling |
SHELXDE | phasing |
PDB_EXTRACT | data extraction |