3RVI
Structure of Bace-1 (Beta-Secretase) in Complex with 2-((2-Amino-6-o-tolylquinolin-3-yl)methyl)-N-(cyclohexylmethyl)pentanamide
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.6 | 293 | 20% (w/v) PEG 5000 monomethylethyl ether (MME), 200mM sodium citrate (pH 6.6) and 200mM sodium iodide, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.85 | 56.88 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 103.124 | α = 90 |
b = 103.124 | β = 90 |
c = 170.326 | γ = 120 |
Symmetry | |
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Space Group | P 61 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 | CCD | ADSC QUANTUM 315 | 2008-08-28 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 5.0.2 | 1 | ALS | 5.0.2 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 94.5 | 0.09 | 9.4 | 9.8 | 15352 |
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 | 2.74 | 96.4 | 0.491 | 9.7 | 1510 |
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 | MOLECULAR REPLACEMENT | THROUGHOUT | 2.65 | 20 | 15205 | 763 | 94.17 | 0.2227 | 0.2208 | 0.261 | RANDOM | 33.7719 |
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] | |
-0.76 | -0.38 | -0.76 | 1.14 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 35.44 |
r_dihedral_angle_3_deg | 16.523 |
r_dihedral_angle_4_deg | 9.711 |
r_dihedral_angle_1_deg | 5.854 |
r_scangle_it | 1.163 |
r_angle_refined_deg | 1.031 |
r_mcangle_it | 0.847 |
r_scbond_it | 0.66 |
r_mcbond_it | 0.464 |
r_chiral_restr | 0.066 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2910 |
Nucleic Acid Atoms | |
Solvent Atoms | 67 |
Heterogen Atoms | 52 |
Software
Software | |
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Software Name | Purpose |
SCALEPACK | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
HKL-2000 | data reduction |
PHASER | phasing |