2EUW
Structure of a Ndt80-DNA complex (MSE mutant mA4T)
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1MNN | PDB 1MNN - MINUS DNA AT SEQUENCE CHANGES AND 1 BASEPAIR ADJACENT TO THOSE CHANGES |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 295 | 30% PEG 400, 50 mM bis-tris-propane pH 7.0, 100 mM NaCl, 50 mM CaCl2, and 2 mM DTT. 1:1 Molar ratio protein:DNA, protein at 10mg/ml , VAPOR DIFFUSION, HANGING DROP, temperature 295K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.28 | 46.1 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 69.985 | α = 90 |
b = 78.335 | β = 90 |
c = 161.482 | γ = 90 |
Symmetry | |
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Space Group | C 2 2 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 | 105 | CCD | ADSC QUANTUM 210 | MIRRORS | 2003-07-14 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 8.3.1 | 1.072158 | ALS | 8.3.1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym 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 | 1.68 | 23.48 | 98.7 | 0.067 | 0.067 | 6.7 | 8.9 | 50263 | 50263 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1.68 | 1.77 | 99.5 | 0.452 | 0.452 | 1.6 | 5.4 | 7305 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | 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 | FOURIER SYNTHESIS | THROUGHOUT | PDB 1MNN - MINUS DNA AT SEQUENCE CHANGES AND 1 BASEPAIR ADJACENT TO THOSE CHANGES | 1.68 | 23.48 | 50200 | 50200 | 2540 | 98.63 | 0.178 | 0.178 | 0.177 | 0.201 | RANDOM | 16.978 |
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 |
r_dihedral_angle_1_deg | 6.56 |
r_scangle_it | 3.002 |
r_scbond_it | 1.955 |
r_mcangle_it | 1.582 |
r_angle_refined_deg | 1.393 |
r_angle_other_deg | 0.879 |
r_mcbond_it | 0.837 |
r_symmetry_hbond_refined | 0.369 |
r_symmetry_vdw_other | 0.29 |
r_nbd_other | 0.238 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2418 |
Nucleic Acid Atoms | 551 |
Solvent Atoms | 342 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
SCALA | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
MOSFLM | data reduction |
CCP4 | data scaling |