4XGC
Crystal structure of the eukaryotic origin recognition complex
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 295 | PIPES (pH 7.5), magnesium chloride, ammonium acetate, PEG 20000 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
4.37 | 71.84 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 145.545 | α = 90 |
b = 258.983 | β = 90 |
c = 257.001 | γ = 90 |
Symmetry | |
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Space Group | I 2 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 | IMAGE PLATE | MAR scanner 300 mm plate | 2014-06-27 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 23-ID-B | 1.0332, 1.71083 | APS | 23-ID-B |
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 | 3.5 | 48.8 | 100 | 0.214 | 7.7 | 8.4 | 61418 | 118.6 |
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) | |||||||||||
1 | 3.5 | 3.59 | 100 | 2.181 | 1.1 | 8.6 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | SAD SOLUTION | 3.5 | 48.799 | 61399 | 1738 | 99.96 | 0.2253 | 0.2243 | 0.2581 | random selection | 118.1 |
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 |
f_dihedral_angle_d | 11.61 |
f_angle_d | 0.7 |
f_chiral_restr | 0.02 |
f_bond_d | |
f_plane_restr |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 16336 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms | 2 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
Aimless | data scaling |
XDS | data scaling |
SHELX | phasing |
PHASER | phasing |