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Crystal structure of Human Liver Carboxylesterase 1 (hCE1) in covalent complex with the nerve agent Tabun (GA)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1MX1 PDB Entry: 1mx1
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 5.5 295 0.1 M Citrate pH 5.5, 8-11% PEG 3350, 0.1-0.4M Lithium Sulfate, 0.1M Lithium Chloride, 0.1M Sodium Chloride, 5% Glycerol, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 2.9 57.53
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 55.57 α = 90 b = 181.05 β = 90 c = 202.92 γ = 90
Symmetry Space Group P 21 21 21
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 MARMOSAIC 300 mm CCD 2006-02-16 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 22-ID 1.0 APS 22-ID
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 2.7 50 91.8 0.117 21.8 6.4 57407 53127 28.8
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 2.7 2.87 91.5 0.292 7.7 6.3
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) 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: 1mx1 2.7 41.78 57407 52209 3705 91 0.167 0.167 0.167 0.1691 0.232 0.1662 RANDOM 29.2
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] -0.9 1.3 -0.4
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.8 c_scangle_it 3.27 c_mcangle_it 2.34 c_scbond_it 2.1 c_mcbond_it 1.36 c_angle_deg 1.2 c_improper_angle_d 0.84 c_bond_d 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 12379 Nucleic Acid Atoms Solvent Atoms 827 Heterogen Atoms 223
Software Software Software Name Purpose CNS refinement HKL-2000 data reduction HKL-2000 data scaling AMoRE phasing