2OHL
X-ray crystal structure of beta secretase complexed with 2-aminoquinoline
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1W50 | PDB entry 1W50 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.6 | 293 | 20-22.5% (w/v) PEG 5000 monomethylether (MME), 200 mM sodium citrate (pH 6.6), 200 mM ammonium iodide, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.87 | 57.18 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 102.833 | α = 90 |
b = 102.833 | β = 90 |
c = 168.85 | 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 | 100 | CCD | ADSC QUANTUM 4 | 2002-10-31 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SRS BEAMLINE PX14.2 | 0.97000 | SRS | PX14.2 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 49.19 | 99.97 | 15979 | 15979 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB entry 1W50 | 2.65 | 49.19 | 15979 | 15979 | 797 | 99.97 | 0.206 | 0.206 | 0.202 | 0.282 | RANDOM | 30.976 |
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] | |
0.29 | 0.14 | 0.29 | -0.43 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.405 |
r_dihedral_angle_3_deg | 15.588 |
r_dihedral_angle_4_deg | 15.459 |
r_dihedral_angle_1_deg | 6.795 |
r_angle_refined_deg | 1.462 |
r_angle_other_deg | 0.903 |
r_symmetry_hbond_refined | 0.311 |
r_symmetry_vdw_other | 0.252 |
r_nbd_refined | 0.208 |
r_nbd_other | 0.205 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2966 |
Nucleic Acid Atoms | |
Solvent Atoms | 108 |
Heterogen Atoms | 26 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
ADSC | data collection |
MOSFLM | data reduction |
CCP4 | data scaling |
CSearch | phasing |