1Z7I
2'-Me-Se Derivitation of A-DNA Octamer G(UMSe)GTACAC
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6 | 298 | 10% v/v MPD, 40 mM Sodium Cacodylate (pH 6.0), 12 mM Spermine tetra-HCl, 80 mM Sodium Chloride, 20 mM Magnesium Chloride, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.01 | 59 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 42.076 | α = 90 |
b = 42.076 | β = 90 |
c = 23.935 | γ = 90 |
Symmetry | |
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Space Group | P 43 21 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 | 273 | CCD | BRANDEIS - B4 | 2004-02-13 | M | MAD |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X12C | 0.979, 0.9794, 0.940, 0.920 | NSLS | X12C |
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 | 1.28 | 50 | 95.3 | 0.08 | 14.8 | 12.4 | 6325 | 6029 | 14.9 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
1.28 | 1.3 | 70 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||
X-RAY DIFFRACTION | MAD, MOLECULAR REPLACEMENT | THROUGHOUT | 1.28 | 20.81 | 2 | 5901 | 5275 | 581 | 89.3 | 0.182 | 0.177 | 0.177 | 0.18 | 0.2 | 0.2 | RANDOM | 15 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[2][2] | Anisotropic B[3][3] | ||||
0.7 | 0.7 | -1.41 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 33.1 |
c_improper_angle_d | 2.07 |
c_scangle_it | 1.92 |
c_angle_deg | 1.8 |
c_mcangle_it | 1.5 |
c_scbond_it | 1.28 |
c_mcbond_it | 1.23 |
c_bond_d | 0.012 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | |
Nucleic Acid Atoms | 162 |
Solvent Atoms | 44 |
Heterogen Atoms | 3 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
CBASS | data collection |
SCALEPACK | data scaling |
CNS | phasing |