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Crystal Structure of Dihydrofolate Reductase from Mycobacterium tuberculosis bound to NADP and SDDC Inhibitor SDDC-916
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 289 JCSG+ C2 (267551c2): 20%PEG6000, 100mM Citrate pH4.0, 1000mM Lithium chloride, 3.5mM EBSI5673, protein concentration 40.69mg/mL, cryo 20% EG, puck ros7-5
Crystal Properties Matthews coefficient Solvent content 2.01 38.91
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 29.98 α = 90 b = 67.47 β = 90 c = 78.96 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+ 2015-12-15 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) 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 1.6 50 93.3 0.059 0.063 19.04 20378 -3 26.737
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.6 1.64 45.2 0.691 0.923 0.88
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 1.75 39.48 1.35 16676 1625 99.08 0.1694 0.1652 0.1666 0.2083 0.2097 23.7047
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 18.376 f_angle_d 1.1 f_chiral_restr 0.064 f_bond_d 0.008 f_plane_restr 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1262 Nucleic Acid Atoms Solvent Atoms 120 Heterogen Atoms 86
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