4J14
Crystal Structure of Human Cytochrome P450 CYP46A1 with Posaconazole Bound
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 4ENH |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 5.8 | 290 | 15% PEG 8000, 50 mM posaconazole, 50 mM potassium phosphate, 20% glycerol, pH 5.8, VAPOR DIFFUSION, SITTING DROP, temperature 290.K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.54 | 51.65 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 121.64 | α = 90 |
b = 121.64 | β = 90 |
c = 143.39 | γ = 90 |
Symmetry | |
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Space Group | I 41 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 | CCD | ADSC QUANTUM 315r | Rh coated flat mirror | 2011-01-01 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL7-1 | 1.09717 | SSRL | BL7-1 |
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 | 2.5 | 92.78 | 99.86 | 0.11 | 0.11 | 5.8 | 7.1 | 17968 | 17993 | 46.193 |
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 | 2.5 | 2.64 | 100 | 0.535 | 0.014 | 0.535 | 7.3 | 2715 |
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 (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 4ENH | 2.5 | 92.78 | 17993 | 17968 | 977 | 99.86 | 0.21588 | 0.21337 | 0.2626 | RANDOM | 39.104 |
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] | |
-9.31 | -9.31 | 18.62 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.642 |
r_dihedral_angle_4_deg | 20.175 |
r_dihedral_angle_3_deg | 17.764 |
r_dihedral_angle_1_deg | 6.113 |
r_scangle_it | 3.801 |
r_scbond_it | 2.319 |
r_mcangle_it | 1.526 |
r_angle_refined_deg | 1.381 |
r_mcbond_it | 0.805 |
r_chiral_restr | 0.115 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3507 |
Nucleic Acid Atoms | |
Solvent Atoms | 82 |
Heterogen Atoms | 100 |
Software
Software | |
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Software Name | Purpose |
ADSC | data collection |
PHASER | phasing |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |