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Crystal Structure of Dihydrofolate Reductase from Mycobacterium tuberculosis bound to NADP and SDDC Inhibitor SDDC-735
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 289 Wizard 3/4 B6: 20% PEG 6000, 100mM Citric acid/ NaOH pH4.0, 100mM LiCl; r9978 at 39.8mg/mL w/ 3.75mM EBSI5524 amd 10mM NADP, tray 266660b6; puck kqt0-14; cryo 25% eg
Crystal Properties Matthews coefficient Solvent content 2 38
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 29.91 α = 90 b = 67.48 β = 90 c = 78.65 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 Saturn 944+ 2015-10-13 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 Rotating Copper Anode FRE+ Superbright 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) CC (Half) 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 1.95 50 98.9 0.099 0.104 0.999 17.77 12061 -3 17.87
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.95 2 88.8 0.373 0.415 0.873 4.2
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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 1.95 33.977 1.35 12061 603 98.88 0.1708 0.1684 0.1693 0.2176 0.2187 19.7511
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 18.973 f_angle_d 0.947 f_chiral_restr 0.056 f_bond_d 0.006 f_plane_restr 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1282 Nucleic Acid Atoms Solvent Atoms 128 Heterogen Atoms 75
Software Software Software Name Purpose XDS data reduction XSCALE data scaling PHENIX refinement PDB_EXTRACT data extraction PHENIX model building Coot model building PHENIX phasing