153D
CRYSTAL STRUCTURE OF A MISPAIRED DODECAMER, D(CGAGAATTC(O6ME)GCG)2, CONTAINING A CARCINOGENIC O6-METHYLGUANINE
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 7 | 277 | pH 7.00, VAPOR DIFFUSION, temperature 277.00K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.21 | 44.46 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 25.13 | α = 90 |
b = 40.45 | β = 90 |
c = 64.51 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 | 133 | DIFFRACTOMETER | ENRAF-NONIUS CAD4 |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | ENRAF-NONIUS FR571 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.3 | 2924 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | ||||||||
X-RAY DIFFRACTION | 2.9 | 8 | 2 | 1031 | 0.169 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
n_phos_bond_it | 3.63 |
n_phos_angle_it | 2.63 |
n_sugar_angle_it | 0.79 |
n_sugar_bond_it | 0.53 |
n_multtor_nbd | 0.18 |
n_singtor_nbd | 0.13 |
n_chiral_restr | 0.09 |
n_phos_bond_angle_d | 0.024 |
n_phos_bond_d | 0.023 |
n_sugar_bond_angle_d | 0.022 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | |
Nucleic Acid Atoms | 490 |
Solvent Atoms | 49 |
Heterogen Atoms | 2 |
Software
Software | |
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Software Name | Purpose |
NUCLSQ | refinement |