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Mycobacterium tuberculosis dihydrofolate reductase complexed with trimetrexate (TMQ)
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.6 289 15% PEG 6000, 100 mM sodium acetate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 289K
Crystal Properties Matthews coefficient Solvent content 2.17 43.37
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 36.09 α = 93.48 b = 64.838 β = 94.1 c = 68.062 γ = 100.25
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 120 IMAGE PLATE RIGAKU RAXIS IV++ mirrors 2009-03-18 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU MICROMAX-007 HF 1.542
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 2.26 67.7 95.7 0.069 7.2 1.96 27037 3 3 32.928
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 2.26 2.34 93.6 0.233 2.4 1.95 2624
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (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 2.26 30.8564 27011 26999 1374 95.61 0.1965 0.1877 0.2614 0.2522 random 32.8138
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] -0.481 -8.379 -0.403 -0.463 -3.552 0.944
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 16.103 f_nbd_refined 4.083 f_angle_d 0.68 f_chiral_restr 0.046 f_bond_d 0.004 f_plane_restr 0.002
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4976 Nucleic Acid Atoms Solvent Atoms 98 Heterogen Atoms 393
Software Software Software Name Purpose d*TREK data scaling d*TREK data reduction MOLREP phasing PHENIX refinement PDB_EXTRACT data extraction CrystalClear data collection CrystalClear data reduction CrystalClear data scaling