1W75
Native Orthorhombic form of Torpedo californica acetylcholinesterase (AChE)
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | PROTEIN IN 100MM NACL, 0.01%NAN3, 1MM MES PH6.5, MIXED 1/1 WITH SOLUBILIZED LI5 (PW11O39RHCH2COOH), 3 MICROLITER OF THIS MIXTURE WAS MIXED WITH 3 MICROLITER OF 40% PEG200 IN 0.5M MES PH5.8, SUSPENDED OVER WELL WITH 36%PEG200 IN 0.5M MES, PH 5.8 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.1 | 59.4 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 91.502 | α = 90 |
b = 106.586 | β = 90 |
c = 150.343 | γ = 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 | 120 | IMAGE PLATE | RIGAKU IMAGE PLATE | OSMIC BLUE | 2003-08-01 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RUH3R |
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 | 2.4 | 40 | 94.3 | 0.06 | 13 | 2.6 | 55093 | -3 | 42 |
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 | 2.4 | 2.49 | 88.3 | 0.27 | 4 | 2.1 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | OTHER | THROUGHOUT | 2.4 | 40 | 52293 | 2715 | 94.5 | 0.206 | 0.204 | 0.247 | RANDOM | 32.87 |
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] | |
-2.419 | 6.404 | -3.985 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_1_deg | 6.675 |
r_scangle_it | 3.385 |
r_scbond_it | 2.135 |
r_angle_refined_deg | 1.562 |
r_mcangle_it | 1.34 |
r_mcbond_it | 0.694 |
r_nbtor_refined | 0.317 |
r_symmetry_hbond_refined | 0.276 |
r_nbd_refined | 0.221 |
r_symmetry_vdw_refined | 0.2 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 8369 |
Nucleic Acid Atoms | |
Solvent Atoms | 252 |
Heterogen Atoms | 56 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |