3GEL
O-Methylphosphorylated Torpedo Acetylcholinesterase Obtained by Reaction with Methyl Paraoxon (AGED)
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2ACE |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.8 | 277.15 | 18% Peg 200, 0.1 M MES, pH 5.8, VAPOR DIFFUSION, HANGING DROP, temperature 277.15K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
4.09 | 69.93 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 111.726 | α = 90 |
b = 111.726 | β = 90 |
c = 136.853 | γ = 120 |
Symmetry | |
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Space Group | P 31 2 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 | CCD | BRUKER SMART 6000 | Multilayer Mirrors | 2008-08-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | OTHER | 1.54 |
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 | 2.39 | 28.53 | 94.64 | 0.139 | 23.75 | 21.27 | 35608 | 3 | 3 | 26.949 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
2.39 | 2.48 | 100 | 6.36 | 20.67 | 4106 |
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 | 2ACE | 2.39 | 27.93 | 35608 | 1872 | 94.64 | 0.21169 | 0.21021 | 0.23995 | RANDOM | 26.949 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
0.41 | 0.21 | 0.41 | -0.62 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.25 |
r_dihedral_angle_4_deg | 21.102 |
r_dihedral_angle_3_deg | 16.053 |
r_dihedral_angle_1_deg | 6.35 |
r_scangle_it | 3.53 |
r_scbond_it | 2.705 |
r_mcangle_it | 2.611 |
r_angle_refined_deg | 1.914 |
r_mcbond_it | 1.863 |
r_nbtor_refined | 0.314 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4208 |
Nucleic Acid Atoms | |
Solvent Atoms | 351 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
PROTEUM PLUS | data collection |
AMoRE | phasing |
REFMAC | refinement |
SAINT | data reduction |
SCALA | data scaling |