2HEK
Crystal structure of O67745, a hypothetical protein from Aquifex aeolicus at 2.0 A resolution.
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.2 | 293 | 10 mg/ml protein was mixed with 1:1 ratio with reservoir consisted of: 200 mM NaCl, 100 mM Phosphate-Citrate buffer, 10% PEG 3000, 100 mM NaBr, 5% Glycerol, pH 4.2, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.18 | 61.34 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 107.687 | α = 90 |
b = 144.413 | β = 90 |
c = 144.677 | 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 | 100 | CCD | ADSC QUANTUM 210 | Divergence: 3.0(h)x0.35(v) mrad Spot size: 0.140(h)x0.150(v) mm | 2004-06-26 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 8.2.1 | 1.0 | ALS | 8.2.1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 1.997 | 43 | 95.7 | 0.044 | 21.4 | 4.7 | 80115 | 76300 | 1 | 1 | 44 |
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 | 1.997 | 2.07 | 95.7 | 0.52 | 0.518 | 2.5 | 3.8 | 8061 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | SAD | THROUGHOUT | 1.997 | 12 | 75574 | 71767 | 3807 | 99.35 | 0.17686 | 0.17686 | 0.17455 | 0.2201 | RANDOM | 46.142 |
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] | |
2.27 | -1.03 | -1.24 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.445 |
r_dihedral_angle_4_deg | 18.001 |
r_dihedral_angle_3_deg | 14.866 |
r_sphericity_free | 6.215 |
r_rigid_bond_restr | 5.698 |
r_scangle_it | 5.617 |
r_dihedral_angle_1_deg | 5.416 |
r_mcangle_it | 5.133 |
r_scbond_it | 4.995 |
r_sphericity_bonded | 4.603 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6218 |
Nucleic Acid Atoms | |
Solvent Atoms | 355 |
Heterogen Atoms | 132 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
PHENIX | phasing |