4RRO

8-Tetrahydropyran-2-yl chromans: highly selective beta-site amyloid precursor protein cleaving enzyme 1 (BACE1) inhibitors


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP4.527916% PEG3K, 0.1M NaAcetate pH 4.5, 5% DMSO, VAPOR DIFFUSION, HANGING DROP, temperature 279K
Crystal Properties
Matthews coefficientSolvent content
2.1743.19

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 75.11α = 90
b = 104.08β = 90
c = 100.7γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IV++Confocal mirrors2012-01-16MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU FR-E SUPERBRIGHT1.5418

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym 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
11.83095.90.1010.09312.226.883678535294
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.81.976.30.270.273.24.755237

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1.828.2133496176795.590.196230.195320.21342RANDOM34.514
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]
-0.24-1.521.75
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.09
r_dihedral_angle_4_deg15.111
r_dihedral_angle_3_deg13.191
r_dihedral_angle_1_deg6.049
r_long_range_B_refined5.11
r_mcangle_it2.388
r_scbond_it1.806
r_mcbond_it1.444
r_angle_refined_deg1.139
r_chiral_restr0.078
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3101
Nucleic Acid Atoms
Solvent Atoms251
Heterogen Atoms30

Software

Software
Software NamePurpose
CrystalCleardata collection
MOLREPphasing
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling