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1.7A structure of 2-fluorohistidine labeled Protective Antigen
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1ACC A lower resolution structure was initially solved from in-house diffraction data by molecular replacement using 1ACC as the starting model. The resulting model was then refined against the high resolution synchrotron data.
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 8.2 293 30% PEG 400, 0.1M Tris, pH 8.2, vapor diffusion, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.41 48.91
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 71.368 α = 90 b = 93.975 β = 90 c = 119.115 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 ADSC QUANTUM 210r 2009-08-12 SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 17-BM 1.0000 APS 17-BM
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 1.7 50 98.7 0.093 9.8 6.6 88352 88352
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) 1.7 1.76 89.5 0.589 1.897 4.7 7898
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-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION Direct Replacement THROUGHOUT A lower resolution structure was initially solved from in-house diffraction data by molecular replacement using 1ACC as the starting model. The resulting model was then refined against the high resolution synchrotron data. 1.7 50 87519 87519 4400 98.669 0.1917 0.2018 0.2217 0.2322 27.856
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] -1.809 -0.604 2.413
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 41.155 r_dihedral_angle_3_deg 13.972 r_dihedral_angle_4_deg 12.072 r_dihedral_angle_1_deg 6.435 r_scangle_it 3.852 r_scbond_it 2.452 r_scangle_other 1.866 r_angle_refined_deg 1.733 r_mcangle_it 1.583 r_angle_other_deg 0.956
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 41.155 r_dihedral_angle_3_deg 13.972 r_dihedral_angle_4_deg 12.072 r_dihedral_angle_1_deg 6.435 r_scangle_it 3.852 r_scbond_it 2.452 r_scangle_other 1.866 r_angle_refined_deg 1.733 r_mcangle_it 1.583 r_angle_other_deg 0.956 r_mcbond_it 0.91 r_mcangle_other 0.716 r_scbond_other 0.499 r_mcbond_other 0.282 r_nbd_refined 0.209 r_symmetry_vdw_other 0.192 r_nbtor_refined 0.173 r_xyhbond_nbd_refined 0.139 r_symmetry_hbond_refined 0.12 r_symmetry_vdw_refined 0.119 r_chiral_restr 0.106 r_metal_ion_refined 0.086 r_symmetry_hbond_other 0.037 r_bond_refined_d 0.016 r_gen_planes_refined 0.007 r_bond_other_d 0.001 r_gen_planes_other 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5281 Nucleic Acid Atoms Solvent Atoms 400 Heterogen Atoms 15
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling MOLREP phasing REFMAC refinement PDB_EXTRACT data extraction HKL-2000 data reduction HKL-2000 data scaling