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Structure of the dihydrofolate reductase (folA) from Coxiella burnetii in complex with trimethoprim
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model Other Unliganded CBU_1993
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.5 298 100 mM HEPES, pH 7.5,
25% PEG 6000 , VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.27 45.77
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 51.34 α = 90 b = 36.2 β = 110.27 c = 53.81 γ = 90
Symmetry Space Group P 1 21 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 MAR CCD 165 mm 2010-08-09 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X4C 0.979 NSLS X4C
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 1.9 26.44 96.6 0.074 15 4.6 15111 14597 -3
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 1.9 2 82.6 0.132 8.8 3.9
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 (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 Unliganded CBU_1993 1.9 26.44 14837 11999 641 85.19 0.18479 0.18196 0.1901 0.23715 0.241 RANDOM 24.846
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] 0.15 -0.02 -0.18 0.02
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.995 r_dihedral_angle_3_deg 13.046 r_dihedral_angle_4_deg 13.046 r_dihedral_angle_1_deg 6.191 r_scangle_it 2.353 r_scbond_it 1.457 r_angle_refined_deg 1.435 r_mcangle_it 0.927 r_angle_other_deg 0.922 r_mcbond_it 0.507
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 33.995 r_dihedral_angle_3_deg 13.046 r_dihedral_angle_4_deg 13.046 r_dihedral_angle_1_deg 6.191 r_scangle_it 2.353 r_scbond_it 1.457 r_angle_refined_deg 1.435 r_mcangle_it 0.927 r_angle_other_deg 0.922 r_mcbond_it 0.507 r_mcbond_other 0.124 r_chiral_restr 0.077 r_bond_refined_d 0.01 r_gen_planes_refined 0.006 r_bond_other_d 0.001 r_gen_planes_other 0.001 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_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1409 Nucleic Acid Atoms Solvent Atoms 229 Heterogen Atoms 69
Software Software Software Name Purpose HKL-2000 data collection PHASER phasing REFMAC refinement MOSFLM data reduction SCALA data scaling