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O-ETHYLMETHYLPHOSPHONYLATED ACETYLCHOLINESTERASE OBTAINED BY REACTION WITH O-ETHYL-S-[2-[BIS(1-METHYLETHYL)AMINO]ETHYL] METHYLPHOSPHONOTHIOATE (VX)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2ACE
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 6 277 35-40% (W/V) PEG-200 0.15 M MES BUFFER PH 6, 0.05 M NACL, pH 6.00, temperature 277.00K
Crystal Properties Matthews coefficient Solvent content 3.8 68
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 112.836 α = 90 b = 112.836 β = 90 c = 137.36 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 100 IMAGE PLATE MARRESEARCH MIRRORS 1998-08-22 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ELETTRA BEAMLINE 5.2R ELETTRA 5.2R
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.2 30 92.3 0.06 12.7 8.2 47840 30.3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.2 2.28 83.9 0.32 1.6
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-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 2ACE 2.2 30 43083 2154 89.9 0.189 0.23 RANDOM 38.5
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] 7 4.75 7 -13.9
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 24 c_angle_deg 2 c_scangle_it 1.48 c_improper_angle_d 1.32 c_mcangle_it 1.08 c_scbond_it 0.93 c_mcbond_it 0.61 c_bond_d 0.023 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 24 c_angle_deg 2 c_scangle_it 1.48 c_improper_angle_d 1.32 c_mcangle_it 1.08 c_scbond_it 0.93 c_mcbond_it 0.61 c_bond_d 0.023 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 339 Heterogen Atoms 72
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling CNS refinement CNS phasing