4D88

Crystal Structure of Human Beta Secretase in Complex with NVP-BXQ490


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.229215% PEG 1,500 in water, pH 5.2, vapor diffusion, hanging drop, temperature 292K
Crystal Properties
Matthews coefficientSolvent content
2.1442.45

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 48.876α = 90
b = 74.897β = 90
c = 104.579γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR scanner 345 mm platemirrors2008-02-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU FR-E SUPERBRIGHT1.54178

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.774.8998.60.05722.2774241542415-323.487
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.71.7789.60.3076.186.534306

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESISTHROUGHOUT1.752.294241542415212198.80.1780.1780.1760.214RANDOM20.1176
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]
0.081.99-2.07
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d23.7
c_scangle_it3.1
c_scbond_it2.08
c_mcangle_it1.99
c_mcbond_it1.28
c_angle_deg0.9
c_improper_angle_d0.65
c_bond_d0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2953
Nucleic Acid Atoms
Solvent Atoms548
Heterogen Atoms37

Software

Software
Software NamePurpose
XSCALEdata scaling
CNSrefinement
PDB_EXTRACTdata extraction
MAR345dtbdata collection
XDSdata reduction
CNXphasing
CNXrefinement