2QRV
Structure of Dnmt3a-Dnmt3L C-terminal domain complex
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2PV0 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8 | 300 | The final protein solution CONTAINED ~100 TO 133 micro M COMPLEX IN 20 milli M TRIS/HCL, PH 8.0, 100 milli M NACL, 5 % GLYCEROL, AND 0.1 % MERCAPTOETHANOL. Crystals were obtained with the mother liquor containing 2~5 % PEG 3000, 100 mM Tris/HCl, pH 8.0, 5 % glycerol at 16C, VAPOR DIFFUSION, HANGING DROP |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.18 | 61.29 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 401.881 | α = 90 |
b = 401.881 | β = 90 |
c = 49.689 | γ = 120 |
Symmetry | |
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Space Group | H 3 |
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 | 173 | CCD | MARMOSAIC 300 mm CCD | 2006-04-06 | M | SINGLE WAVELENGTH | ||||||
2 | 1 | x-ray | 173 | M | MAD |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 22-ID | 1.0, 0.9792, 0.9785,0.9719 | APS | 22-ID |
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 | 2.89 | 40 | 100 | 0.058 | 14.8 | 3.2 | 65264 | 65264 | -3 | 85.6 |
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) | |||||||||||
2.89 | 2.99 | 92.1 | 0.488 | 1.8 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | R-Free | R-Free Selection Details | Mean Isotropic B | |||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 2PV0 | 2.89 | 38.9 | 2 | 65264 | 54424 | 2756 | 81.9 | 0.259 | 0.259 | 0.259 | 0.281 | RANDOM | 101.3 |
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] | |
9.92 | 24.85 | 9.92 | -19.84 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 23.5 |
c_scangle_it | 9.07 |
c_mcangle_it | 7.65 |
c_scbond_it | 6.4 |
c_mcbond_it | 4.84 |
c_angle_deg | 1.4 |
c_improper_angle_d | 1.04 |
c_bond_d | 0.009 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 14557 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms | 104 |
Software
Software | |
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Software Name | Purpose |
CNS | refinement |
HKL-2000 | data collection |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
PHASES | phasing |