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Crystal Structure of Bifunctional Enzyme FolD-Methylenetetrahydrofolate Dehydrogenase/Cyclohydrolase in the Complex with Methotrexate from Campylobacter jejuni
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6DE8
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 289 0.2 M potassium chloride, 20 % w/v Polyehtlyene glycol 3350
Crystal Properties Matthews coefficient Solvent content 2.84 56.65
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 163.867 α = 90 b = 59.086 β = 100.08 c = 72.993 γ = 90
Symmetry Space Group C 1 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 QUANTUM 315r 2010-05-26 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 19-ID 0.97934 APS 19-ID
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 95.5 0.052 14.5 4.2 72243
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 1.7 1.73 68.3 0.263 3.4
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 6DE8 1.7 38.137 1.38 72236 3639 95.25 0.1624 0.161 0.1631 0.188 0.1893 23.6
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]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 12.92 f_angle_d 1.306 f_chiral_restr 0.085 f_bond_d 0.01 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4268 Nucleic Acid Atoms Solvent Atoms 497 Heterogen Atoms 127
Software Software Software Name Purpose PHENIX refinement HKL-3000 data reduction HKL-3000 data scaling HKL-3000 phasing