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Crystal Structure of N10-Formyltetrahydrofolate Synthetase with Folate
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3QB6
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.4 278 50-75 mM Potassium Maleate Buffer pH 7.0-8.0, 1 mM dithiothreitol, 38-46% Ammonium Sulfate, 1-3.5% PEG 1000 or PEG 1450, vapor diffusion, hanging drop, temperature 278K
Crystal Properties Matthews coefficient Solvent content 2.66 53.83
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 160.948 α = 90 b = 160.948 β = 90 c = 256.532 γ = 120
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 225 mm CCD 2009-04-12 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 22-BM 1.0 APS 22-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 3 50 95.2 0.132 7.2 5.9 25875 24612 1 1
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 3 3.05 97.8 0.335 6.2
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 3QB6 3 31.75 25875 23208 1247 94.52 0.21404 0.21019 0.2121 0.28624 0.2808 RANDOM 51.975
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] 0.7 0.7 0.7 -2.27
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 38.316 r_dihedral_angle_4_deg 17.701 r_dihedral_angle_3_deg 16.327 r_dihedral_angle_1_deg 6.391 r_angle_refined_deg 1.449 r_angle_other_deg 0.796 r_chiral_restr 0.07 r_bond_refined_d 0.011 r_gen_planes_refined 0.005 r_bond_other_d 0.001
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 38.316 r_dihedral_angle_4_deg 17.701 r_dihedral_angle_3_deg 16.327 r_dihedral_angle_1_deg 6.391 r_angle_refined_deg 1.449 r_angle_other_deg 0.796 r_chiral_restr 0.07 r_bond_refined_d 0.011 r_gen_planes_refined 0.005 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_mcbond_it r_mcbond_other r_mcangle_it r_scbond_it r_scangle_it r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 8212 Nucleic Acid Atoms Solvent Atoms 114 Heterogen Atoms 107
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling REFMAC refinement PDB_EXTRACT data extraction HKL-2000 data collection MOLREP phasing