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1.9 Angstrom Crystal Structure of Orotate Phosphoribosyltransferase (pyrE) Francisella tularensis.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1ORO PDB entry 1ORO
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8.5 295 Protein solution: 7.5 mg/mL, 0.25M Sodium Chloride, 0.01M Tris-HCL (pH 8.3);
Screen solution: Classics II G1, 0.2M Sodium chloride, 0.1M TRIS (pH 8.5), 25% PEG 3350., VAPOR DIFFUSION, SITTING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 2.14 42.57
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 82.553 α = 90 b = 97.903 β = 90 c = 110.724 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 Beryllium lenses 2010-03-24 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 21-ID-G 0.97856 APS 21-ID-G
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 1.9 30 100 0.067 23.7 6.4 71519 71519 -3 26.4
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) 1.9 1.93 100 0.44 4.4 6.5 3530
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 1ORO 1.9 29.47 67705 67705 3607 99.98 0.18802 0.18802 0.18559 0.192 0.23477 0.2409 RANDOM 24.671
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] 1.58 -0.81 -0.77
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 29.17 r_dihedral_angle_3_deg 10.114 r_dihedral_angle_4_deg 8.103 r_scangle_it 4.677 r_scbond_it 2.842 r_dihedral_angle_1_deg 2.839 r_mcangle_it 1.879 r_angle_refined_deg 1.241 r_mcbond_it 1.037 r_angle_other_deg 0.803
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 29.17 r_dihedral_angle_3_deg 10.114 r_dihedral_angle_4_deg 8.103 r_scangle_it 4.677 r_scbond_it 2.842 r_dihedral_angle_1_deg 2.839 r_mcangle_it 1.879 r_angle_refined_deg 1.241 r_mcbond_it 1.037 r_angle_other_deg 0.803 r_mcbond_other 0.255 r_chiral_restr 0.081 r_bond_refined_d 0.011 r_gen_planes_refined 0.005 r_bond_other_d 0.001 r_gen_planes_other 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6577 Nucleic Acid Atoms Solvent Atoms 692 Heterogen Atoms 12
Software Software Software Name Purpose Blu-Ice data collection PHASER phasing REFMAC refinement HKL-2000 data reduction HKL-2000 data scaling