2XUD
Crystal structure of the Y337A mutant of mouse acetylcholinesterase
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1J06 | PDB ENTRY 1J06 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 6.5 | PROTEIN WAS CRYSTALLIZED FROM PEG-600 25-35% (V/V) IN 50-100 MM HEPES, PH 6.0-7.0, OR WITH PEG-550 MME 30% (V/V) IN 50 MM NA ACETATE, PH 7.5 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
4.08 | 69.6 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 79.424 | ¦Á = 90 |
b = 109.015 | ¦Â = 90 |
c = 227.839 | ¦Ã = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 CCD | 2003-11-10 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID29 | ESRF | ID29 |
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 | 2.65 | 20 | 99.1 | 0.08 | 12.5 | 3.5 | 57806 | 2 | 57.2 |
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 | 2.65 | 2.72 | 99.1 | 0.41 | 4 | 3.6 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | PDB ENTRY 1J06 | 2.65 | 20 | 56261 | 1176 | 98.79 | 0.19407 | 0.19338 | 0.22768 | RANDOM | 45.587 |
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] | |
4.16 | 2.35 | -6.51 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 33.875 |
r_dihedral_angle_4_deg | 21.32 |
r_dihedral_angle_3_deg | 16.131 |
r_dihedral_angle_1_deg | 6.823 |
r_scangle_it | 2.862 |
r_scbond_it | 1.7 |
r_angle_refined_deg | 1.393 |
r_mcangle_it | 1.052 |
r_mcbond_it | 0.545 |
r_chiral_restr | 0.107 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 8309 |
Nucleic Acid Atoms | |
Solvent Atoms | 186 |
Heterogen Atoms | 45 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
HKL-2000 | data reduction |
SCALA | data scaling |