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Discovery of 7-THP chromans: BACE1 inhibitors that reduce A-beta in the CNS
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4JP9 pdb entry 4JP9
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.5 293 16% PEG3K, 0.1M NaAcetate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.15 42.85
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 74.99 α = 90 b = 103.91 β = 90 c = 100.42 γ = 90
Symmetry Space Group C 2 2 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 IMAGE PLATE RIGAKU RAXIS IV++ Confocal mirrors 2010-10-22 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU FR-E SUPERBRIGHT 1.5418
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) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 1.8 30 96.9 0.094 0.085 13.2 6.82 36623 35504 3.5
Refinement Statistics 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 (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT pdb entry 4JP9 1.8 28.14 36623 33698 1778 96.69 0.19819 0.19626 0.1971 0.23522 0.2344 RANDOM 26.287
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 -1.33 1.48
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 31.596 r_dihedral_angle_4_deg 16.426 r_dihedral_angle_3_deg 12.72 r_dihedral_angle_1_deg 6.1 r_angle_refined_deg 1.129 r_chiral_restr 0.076 r_bond_refined_d 0.006 r_gen_planes_refined 0.004 r_bond_other_d r_angle_other_deg
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 31.596 r_dihedral_angle_4_deg 16.426 r_dihedral_angle_3_deg 12.72 r_dihedral_angle_1_deg 6.1 r_angle_refined_deg 1.129 r_chiral_restr 0.076 r_bond_refined_d 0.006 r_gen_planes_refined 0.004 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_it r_mcbond_other r_mcangle_it r_mcangle_other r_scbond_it r_scbond_other r_scangle_it r_scangle_other r_long_range_B_refined r_long_range_B_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3101 Nucleic Acid Atoms Solvent Atoms 180 Heterogen Atoms 29
Software Software Software Name Purpose CrystalClear data collection MOLREP phasing REFMAC refinement MOSFLM data reduction SCALA data scaling