3NA0
Crystal structure of human CYP11A1 in complex with 20,22-dihydroxycholesterol
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 291 | PEG 8000, Ca acetate, pH 7.5, vapor diffusion, hanging drop, temperature 291K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.19 | 61.47 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 82.806 | α = 90 |
b = 114.724 | β = 101.78 |
c = 85.716 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
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 | 2009-11-18 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 23-ID-B | 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 | 2.5 | 50 | 98.4 | 0.105 | 7.7 | 4.4 | 53587 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 2.5 | 2.54 | 89.8 | 0.365 | 3.6 | 2439 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | MOLECULAR REPLACEMENT | THROUGHOUT | 2.5 | 50 | 53564 | 2718 | 98.16 | 0.203 | 0.201 | 0.245 | RANDOM | 29.281 |
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] | |
0.63 | -1.13 | -1.68 | 0.59 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.104 |
r_dihedral_angle_4_deg | 17.673 |
r_dihedral_angle_3_deg | 16.232 |
r_dihedral_angle_1_deg | 5.681 |
r_scangle_it | 2.537 |
r_scbond_it | 1.498 |
r_angle_refined_deg | 1.261 |
r_mcangle_it | 1.055 |
r_mcbond_it | 0.539 |
r_chiral_restr | 0.087 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 8138 |
Nucleic Acid Atoms | |
Solvent Atoms | 291 |
Heterogen Atoms | 154 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |