X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3DUYPDB entry 3DUY

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
11.0M Ammonium sulfate in water, pH 5.5, VAPOR DIFFUSION, SITTING DROP, temperature 292K. Protein stock was BACE 7.3 mg/mL in 10mM Tris-HCl pH 7.4, 25mM NaCl. Crystals were grown in 96-well Corning Microtiter plates. Cryo-protectant was 80% well solution, 20% 1,2-Propanediol
Crystal Properties
Matthews coefficientSolvent content
3.0559.69

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 82.027α = 90
b = 102.945β = 103.66
c = 99.916γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray95CCDMAR CCD 165 mm2003-03-27MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X06SA0.95371SLSX06SA

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
12.11001000.05612.14.3931769317630.8
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)
2.12.181000.3099252

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 SYNTHESISTHROUGHOUTPDB entry 3DUY2.155.529315393153930799.40.2230.2230.2070.241RANDOM46.843
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]
-2.891.514.37-1.48
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d25
c_scangle_it4.25
c_mcangle_it3.26
c_scbond_it3.05
c_mcbond_it2.18
c_angle_deg1.3
c_improper_angle_d0.76
c_bond_d0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms8934
Nucleic Acid Atoms
Solvent Atoms525
Heterogen Atoms93

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
CNSrefinement
PDB_EXTRACTdata extraction
MAR345data collection
CNXphasing
CNXrefinement