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NATIVE ACETYLCHOLINESTERASE (E.C. 3.1.1.7) FROM TORPEDO CALIFORNICA
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1ACE PDB ENTRY 1ACE
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 5.8 277 PROTEIN WAS CRYSTALLIZED FROM 35% PEG 200, 100 MM MES, PH 5.8, AT 4 DEG., temperature 277K
Crystal Properties Matthews coefficient Solvent content 3.8 68
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 112.41 α = 90 b = 112.41 β = 90 c = 136.7 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 273 IMAGE PLATE MARRESEARCH 1993-10-19 M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 EMBL/DESY, HAMBURG X11
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 2.25 25 96.6 0.095 7.4 1.9 46243 33.9
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 2.25 2.33 96.7 0.713 0.9 1.8
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 1ACE 2.5 8 30035 1555 96.6 0.199 0.199 0.181 0.258 0.231 RANDOM 24.5
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]
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 24.2 x_scangle_it 3.12 x_mcangle_it 2.26 x_scbond_it 2.09 x_angle_deg 1.9 x_improper_angle_d 1.6 x_mcbond_it 1.41 x_bond_d 0.016 x_bond_d_na x_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 24.2 x_scangle_it 3.12 x_mcangle_it 2.26 x_scbond_it 2.09 x_angle_deg 1.9 x_improper_angle_d 1.6 x_mcbond_it 1.41 x_bond_d 0.016 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 4143 Nucleic Acid Atoms Solvent Atoms 204 Heterogen Atoms 10
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling X-PLOR model building X-PLOR refinement X-PLOR phasing