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Structure of M. tuberculosis dihydrodipicolinate reductase in complex with NADH and 2,6 PDC
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1ARZ
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 298 ammonium Sulfate, PEG 400, Hepes, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.66 53.78
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 119.29 α = 90 b = 117.28 β = 90 c = 78.54 γ = 90
Symmetry Space Group I 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 298 AREA DETECTOR SIEMENS 1996-09-12 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym 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 2.3 25 98.5 0.078 13.6 3.2 24785 24502 -3 28.7
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.3 2.4 95.1 0.206 3.3 3.2 2353
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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 1ARZ 2.3 25 1 24785 24147 2379 97.4 0.197 0.193 0.1953 0.25 0.1968 random 26.8
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 x_dihedral_angle_d 26.9 x_scangle_it 5.6 x_mcangle_it 4.4 x_scbond_it 3.7 x_mcbond_it 2.9 x_angle_deg 1.63 x_improper_angle_d 0.749 x_bond_d 0.011
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3624 Nucleic Acid Atoms Solvent Atoms 117 Heterogen Atoms 125
Software Software Software Name Purpose Sadie data collection SAINT data reduction AMoRE phasing X-PLOR refinement SADIE data reduction SAINT data scaling