2WJO
human Bace (beta secretase) in complex with Cyclohexanecarboxylic acid (2-(2-am ino-6-phenoxy-4H-quinazolin-3-yl)-2 -cyclohexyl-ethyl)- amide
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 7.5 | 11% PEG8000 50MM HEPES PH7.5 200MM NACL 15% GLYCEROL 10% ACETONITRILE |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.5 | 64.6 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 93.182 | α = 90 |
b = 126.547 | β = 90 |
c = 105.8 | γ = 90 |
Symmetry | |
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Space Group | C 2 2 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 | 2007-01-30 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID23-1 | ESRF | ID23-1 |
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 | 2.5 | 74.95 | 98.1 | 0.11 | 4.8 | 5.6 | 21507 | 46.559 |
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 | 2.5 | 2.64 | 99 | 0.34 | 1.9 | 5.7 |
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 | IN-HOUSE APOSTRUCTURE | 2.5 | 74.95 | 21476 | 1684 | 97.37 | 0.196 | 0.1922 | 0.2402 | RANDOM | 38.58 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[2][2] | Anisotropic B[3][3] | ||||
-18.34068135 | -5.96959044 | 24.31027179 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2989 |
Nucleic Acid Atoms | |
Solvent Atoms | 156 |
Heterogen Atoms | 35 |
Software
Software | |
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Software Name | Purpose |
BUSTER-TNT | refinement |
MOSFLM | data reduction |
SCALA | data scaling |
AMoRE | phasing |