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Torpedo californica acetylcholinesterase in complex with 20mM acetylthiocholine
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1EA5 PDB ENTRY 1EA5
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 6 277 32% PEG200, 150MM MES, PH6, 4DEG. C. THE CRYSTAL UNDERWENT 9 SUCCESSIVE SOAKINGS OF 1 HOUR PLUS 1 SOAKING OF 10 MINUTES IN 200 MICROLITER FRESH MOTHER LIQUOR SOLUTIONS, CONTAINING 20MM OF THE SUBSTRATE ACETYLTHIOCHOLINE., pH 6.00
Crystal Properties Matthews coefficient Solvent content 3.8 68
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 113.35 α = 90 b = 113.35 β = 90 c = 138.03 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 ADSC CCD 2005-02-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-2 ESRF ID14-2
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 2.3 20 99.7 0.05 22.63 7.14 49453 3 38.2
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 2.3 2.35 100 0.47 4.43 7.31
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 1EA5 2.3 20 45953 2303 99.9 0.172 0.172 0.1655 0.21 0.2016 RANDOM 53
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] 10.91 4.25 10.91 -21.83
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.5 c_scangle_it 3.08 c_scbond_it 2.1 c_mcangle_it 2.07 c_angle_deg 1.3 c_mcbond_it 1.27 c_bond_d 0.006 c_bond_d_na c_bond_d_prot c_angle_d
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.5 c_scangle_it 3.08 c_scbond_it 2.1 c_mcangle_it 2.07 c_angle_deg 1.3 c_mcbond_it 1.27 c_bond_d 0.006 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 c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4248 Nucleic Acid Atoms Solvent Atoms 817 Heterogen Atoms 92
Software Software Software Name Purpose CNS refinement XDS data reduction XSCALE data scaling CNS phasing