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X-ray Crystal structure of complex between Torpedo californica AChE and a reversible inhibitor, 4-Amino-5-fluoro-2-methyl-3-(3-trifluoroacetylbenzylthiomethyl)quinoline
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2ACE PDB ENTRY 2ACE
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 5.8 277 PROTEIN WAS CRYSTALLISED FROM 35-40% W/V PEG 200 0.1M MES PH 5.8 4 DEG. CELSIUS
Crystal Properties Matthews coefficient Solvent content 3.8 68
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 112.332 α = 90 b = 112.332 β = 90 c = 137.073 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 RAXIS IIC MIRRORS 1997-02-05 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU FR300
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 2.5 29.3 98.4 0.041 19.2 3.7 34410 38.3
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 2.5 2.59 91.8 0.19 2.7
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 PDB ENTRY 2ACE 2.5 29.31 34410 1690 98.3 0.183 0.183 0.1759 0.214 0.2076 RANDOM 37.9
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] 5.73 6.58 5.73 -11.46
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 24.2 c_scangle_it 3.65 c_scbond_it 2.65 c_mcangle_it 2.14 c_angle_deg 2 c_improper_angle_d 1.42 c_mcbond_it 1.32 c_bond_d 0.021 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 24.2 c_scangle_it 3.65 c_scbond_it 2.65 c_mcangle_it 2.14 c_angle_deg 2 c_improper_angle_d 1.42 c_mcbond_it 1.32 c_bond_d 0.021 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_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4244 Nucleic Acid Atoms Solvent Atoms 171 Heterogen Atoms 95
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling X-PLOR phasing CNS phasing CNS refinement