4N00

Discovery of 7-THP chromans: BACE1 inhibitors that reduce A-beta in the CNS


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4JP9pdb entry 4JP9

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP4.529316% PEG3K, 0.1M NaAcetate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.1542.85

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 74.99α = 90
b = 103.91β = 90
c = 100.42γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IV++Confocal mirrors2010-10-22MSINGLE 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
11.83096.90.0940.08513.26.8236623355043.5

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 (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTpdb entry 4JP91.828.143662333698177896.690.198190.196260.23522RANDOM26.287
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]
-0.15-1.331.48
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.596
r_dihedral_angle_4_deg16.426
r_dihedral_angle_3_deg12.72
r_dihedral_angle_1_deg6.1
r_angle_refined_deg1.129
r_chiral_restr0.076
r_bond_refined_d0.006
r_gen_planes_refined0.004
r_bond_other_d
r_angle_other_deg
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3101
Nucleic Acid Atoms
Solvent Atoms180
Heterogen Atoms29

Software

Software
Software NamePurpose
CrystalCleardata collection
MOLREPphasing
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling