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METHYLPHOSPHONYLATED ACETYLCHOLINESTERASE (AGED) OBTAINED BY REACTION WITH O-ISOPROPYLMETHYLPHOSPHONOFLUORIDATE (GB, SARIN)
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, 4 DEG C
, temperature 277.0K
Crystal Properties Matthews coefficient Solvent content 3.8 68
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 111.395 α = 90 b = 111.395 β = 90 c = 136.623 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 CCD BRANDEIS - B4 1997-07-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X12C NSLS X12C
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 2.6 30 97.4 0.09 10.3 6.7 30011 40.2
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 2.6 2.69 99.3 0.17 2.2
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 2.6 30 28531 1497 93.2 0.186 0.247 RANDOM 32.5
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] 8.48 8.97 8.48 -16.9
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 24.2 x_scangle_it 5.34 x_scbond_it 4.01 x_mcangle_it 3.4 x_mcbond_it 2.27 x_angle_deg 2 x_improper_angle_d 1.29 x_bond_d 0.019 x_bond_d_na x_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 24.2 x_scangle_it 5.34 x_scbond_it 4.01 x_mcangle_it 3.4 x_mcbond_it 2.27 x_angle_deg 2 x_improper_angle_d 1.29 x_bond_d 0.019 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na x_angle_deg_prot x_dihedral_angle_d_na x_dihedral_angle_d_prot x_improper_angle_d_na x_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4244 Nucleic Acid Atoms Solvent Atoms 220 Heterogen Atoms 32
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling CNS refinement CNS phasing