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TERNARY COMPLEX OF THE AGED CONJUGATE OF TORPEDO CALIFORNICA ACEYLCHOLINESTERASE WITH SOMAN AND 2-PAM
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 5.8 277 ACHE WAS CRYSTALLIZED IN 34% PEG200, 150 MM MES, PH 6, 4 DEG. C. THE CRYSTAL WAS SOAKED FOR 2 HOURS IN 1.3 MM SOMAN, AT PH 6, 4 DEG C. THEN FOR 22 HOURS IN 10 MM 2-PAM, AT PH 6, 4 DEG C.. THEN FLASH-COOLED IN LN2.
Crystal Properties Matthews coefficient Solvent content 3.8 68
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 111.91 α = 90 b = 111.91 β = 90 c = 137.17 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 2007-04-06 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 2.2 45.7 99.5 0.08 16.1 5.5 50657 -3 34.7
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 2.2 2.3 99.4 0.5 3.3 5.6
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-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1EA5 2.2 20 48171 2486 99.64 0.168 0.16581 0.2118 0.1934 RANDOM 31.192
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] 1.98 0.99 1.98 -2.97
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 32.753 r_dihedral_angle_4_deg 18.036 r_dihedral_angle_3_deg 15.304 r_dihedral_angle_1_deg 6.201 r_scangle_it 3.106 r_scbond_it 1.987 r_angle_refined_deg 1.39 r_mcangle_it 1.307 r_mcbond_it 0.696 r_chiral_restr 0.093
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 32.753 r_dihedral_angle_4_deg 18.036 r_dihedral_angle_3_deg 15.304 r_dihedral_angle_1_deg 6.201 r_scangle_it 3.106 r_scbond_it 1.987 r_angle_refined_deg 1.39 r_mcangle_it 1.307 r_mcbond_it 0.696 r_chiral_restr 0.093 r_bond_refined_d 0.013 r_gen_planes_refined 0.006 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_other r_mcangle_other r_scbond_other r_scangle_other r_long_range_B_refined r_long_range_B_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4244 Nucleic Acid Atoms Solvent Atoms 555 Heterogen Atoms 217
Software Software Software Name Purpose REFMAC refinement XDS data reduction XSCALE data scaling REFMAC phasing