4BAZ
Structure of a putative epoxide hydrolase Q244E mutant from Pseudomonas aeruginosa.
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 4B9A | PDB ENTRY 4B9A |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 8.5 | 0.1 M LI2SO4, 1.25 M (NH4)2SO4, 0.1 M TRIS HCL, PH 8.5 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.67 | 66.5 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 83.74 | α = 90 |
b = 83.74 | β = 90 |
c = 140.25 | γ = 90 |
Symmetry | |
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Space Group | P 41 21 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 | MARMOSAIC 225 mm CCD | 2012-02-03 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | BESSY BEAMLINE 14.1 | BESSY | 14.1 |
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 | 1.35 | 26.02 | 99.9 | 0.08 | 11.5 | 5.3 | 109570 | 2 | 12.6 |
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 | 1.35 | 1.42 | 99.4 | 0.74 | 1.9 | 4.4 |
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 | FOURIER SYNTHESIS | THROUGHOUT | PDB ENTRY 4B9A | 1.35 | 25.93 | 104013 | 5473 | 99.86 | 0.11377 | 0.11266 | 0.13472 | RANDOM | 16.805 |
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] | |
-0.04 | -0.04 | 0.09 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_sphericity_free | 44.662 |
r_dihedral_angle_2_deg | 29.751 |
r_dihedral_angle_4_deg | 16.404 |
r_sphericity_bonded | 11.835 |
r_dihedral_angle_3_deg | 11.004 |
r_dihedral_angle_1_deg | 5.375 |
r_rigid_bond_restr | 3.372 |
r_angle_refined_deg | 1.678 |
r_angle_other_deg | 0.869 |
r_symmetry_vdw_refined | 0.291 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2335 |
Nucleic Acid Atoms | |
Solvent Atoms | 385 |
Heterogen Atoms | 86 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |
REFMAC | phasing |