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Aminoimidazoles as BACE-1 Inhibitors. X-RAY CRYSTAL STRUCTURE OF BETA SECRETASE COMPLEXED WITH COMPOUND 23
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model Other PREVIOUSLY DETERMINED BACE-1 STRUCTURE
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 5 11% PEG6K, 90 MM NAAC PH 5.0, 18 MM TRIS PH 8.5, 135 MM NACL
Crystal Properties Matthews coefficient Solvent content 2.07 41
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 48.009 α = 90 b = 76.326 β = 90 c = 104.73 γ = 90
Symmetry Space Group P 21 21 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 MAR scanner 345 mm plate MIRRORS 2008-02-19 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU300
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 2 43.6 93.6 0.1 10.1 3.1 25609 1 22.45
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2 2.05 99.6 0.4 2.7 3.1
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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 PREVIOUSLY DETERMINED BACE-1 STRUCTURE 2 43.64 24905 1256 93.27 0.2009 0.1989 0.2013 0.2384 0.2415 RANDOM 25.41
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] -6.1676 -0.2585 6.4261
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 17.17 t_omega_torsion 2.79 t_angle_deg 1.02 t_bond_d 0.007 t_dihedral_angle_d t_incorr_chiral_ct t_pseud_angle t_trig_c_planes t_gen_planes t_it
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 17.17 t_omega_torsion 2.79 t_angle_deg 1.02 t_bond_d 0.007 t_dihedral_angle_d t_incorr_chiral_ct t_pseud_angle t_trig_c_planes t_gen_planes t_it t_nbd t_improper_torsion t_chiral_improper_torsion t_sum_occupancies t_utility_distance t_utility_angle t_utility_torsion t_ideal_dist_contact
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2918 Nucleic Acid Atoms Solvent Atoms 263 Heterogen Atoms 37
Software Software Software Name Purpose BUSTER refinement MOSFLM data reduction SCALA data scaling MOLREP phasing