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Crystal Structure of the Ketol-acid Reductoisomerase from Bacillus anthracis in complex with NADP
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4TSK PDB entry 4TSK
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.5 298 0.2 M lithium acetate, 2.2 M ammonium sulfate
Crystal Properties Matthews coefficient Solvent content 2.5 50.7
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 126.575 α = 90 b = 131.86 β = 90 c = 132.614 γ = 90
Symmetry Space Group I 2 2 2
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 210r 2012-11-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 19-BM 0.97929 APS 19-BM
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) CC (Half) R Split (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 2.2 50 99.9 0.096 0.997 0.041 22.1 6.4 56648 41.49
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.2 2.24 99 1.191 0.56 1.3 4.2
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 PDB entry 4TSK 2.2 41.73 1.35 56347 2795 99.27 0.2191 0.2167 0.2166 0.2619 0.2619 68.8
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 f_dihedral_angle_d 16.3972 f_angle_d 0.6608 f_chiral_restr 0.0429 f_plane_restr 0.005 f_bond_d 0.0047
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7496 Nucleic Acid Atoms Solvent Atoms 204 Heterogen Atoms 153
Software Software Software Name Purpose PHENIX refinement HKL-3000 data reduction HKL-3000 data scaling HKL-3000 phasing MOLREP phasing