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TORPEDO CALIFORNICA ACETYLCHOLINESTERASE INHIBITED BY NERVE AGENT GD (SOMAN).
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 PROTEIN WAS CRYSTALLIZED FROM
35-40% W/V PEG 200
0.15M MES PH 6.0
0.05M NACL
4 DEG. CELSIUS
, temperature 277.0K
Crystal Properties Matthews coefficient Solvent content 3.8 68
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 111.56 α = 90 b = 111.56 β = 90 c = 137.002 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 RIGAKU RAXIS II MIRRORS 1997-12-26 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU300
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 96.7 0.05 15.6 5.8 49048 24
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 94.1 0.297 2.6
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-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION OTHER THROUGHOUT 2ACE 2.2 29.5 48792 2460 96.5 0.21 0.1993 0.251 0.241 RANDOM 35.3
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] 7.77 3.42 7.77 -15.5
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 23.9 x_angle_deg 1.9 x_improper_angle_d 1.22 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
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 23.9 x_angle_deg 1.9 x_improper_angle_d 1.22 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 x_mcbond_it x_mcangle_it x_scbond_it x_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4174 Nucleic Acid Atoms Solvent Atoms 184 Heterogen Atoms 42
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling CNS refinement CNS phasing