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Torpedo californica acetylcholinesterase complexed with alkylene- linked bis-tacrine dimer (7 carbon linker)
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 5.8 277 28-33% V/V PEG 200, 0.5M MES PH5.8, 4DEG CELSIUS, SEEDING, pH 5.80
Crystal Properties Matthews coefficient Solvent content 4.3 68
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 111.884 α = 90 b = 111.884 β = 90 c = 137.413 γ = 120
Symmetry Space Group P 31 2 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 120 IMAGE PLATE RIGAKU RAXIS4++ OSMIC BLUE 2000-10-31 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RUH3R
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 2.15 30 92 0.05 10.8 2.9 80692 24.1
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 2.15 2.23 75.6 0.51 2.8
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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 OTHER THROUGHOUT 2.15 29.27 50424 2517 92 0.211 0.211 0.2126 0.249 0.2517 RANDOM 44.05
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] 8.34 6.53 8.34 -16.69
RMS Deviations Key Refinement Restraint Deviation c_scangle_it 7.1 c_scbond_it 6.55 c_angle_deg 1.9 c_mcangle_it 1.81 c_mcbond_it 1.12 c_bond_d 0.018 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na
RMS Deviations Key Refinement Restraint Deviation c_scangle_it 7.1 c_scbond_it 6.55 c_angle_deg 1.9 c_mcangle_it 1.81 c_mcbond_it 1.12 c_bond_d 0.018 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4142 Nucleic Acid Atoms Solvent Atoms 206 Heterogen Atoms 65
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling