1XLU
X-Ray Structure Of Di-Isopropyl-Phosphoro-Fluoridate (Dfp) Inhibited Butyrylcholinesterase after Aging
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1POI |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 298 | AMMONIUM SULFATE, 2-(N-MORPHOLINO)-ETHANESULFONIC ACID, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.9 | 56 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 154.495 | α = 90 |
b = 154.495 | β = 90 |
c = 127.29 | γ = 90 |
Symmetry | |
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Space Group | I 4 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 | RIGAKU RAXIS IV | 2003-12-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU FR-E SUPERBRIGHT | 1.5418 |
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 | 2.198 | 50 | 96.3 | 0.063 | 27.9 | 7.8 | 37851 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 2.198 | 2.28 | 100 | 0.401 | 4.6 | 7.7 |
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 | MOLECULAR REPLACEMENT | THROUGHOUT | 1POI | 2.198 | 40 | 33683 | 1806 | 90.27 | 0.19551 | 0.19305 | 0.24216 | RANDOM | 45.803 |
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] | |
-1.3 | -1.3 | 2.59 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.928 |
r_dihedral_angle_3_deg | 17.094 |
r_dihedral_angle_4_deg | 14.606 |
r_dihedral_angle_1_deg | 6.35 |
r_scangle_it | 3.831 |
r_scbond_it | 2.654 |
r_mcangle_it | 1.702 |
r_angle_refined_deg | 1.6 |
r_mcbond_it | 1.235 |
r_nbtor_refined | 0.315 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4180 |
Nucleic Acid Atoms | |
Solvent Atoms | 255 |
Heterogen Atoms | 156 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data reduction |
AMoRE | phasing |
REFMAC | refinement |
HKL-2000 | data scaling |