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The crystal structure of Klebsiella pneumoniae acetolactate synthase with enzyme-bound cofactor and with an unusual intermediate.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1JSC PDB entry 1JSC
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.6 290 PEG 8000, ethylene glycol, sodium HEPES, pH 7.6, VAPOR DIFFUSION, HANGING DROP, temperature 290K
Crystal Properties Matthews coefficient Solvent content 2.51 50.64
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 86.32 α = 67.97 b = 92.814 β = 63.48 c = 97.42 γ = 67.68
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 4 mirrors 2002-02-22 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 14-BM-D 1.0 APS 14-BM-D
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 2 100 93.8 0.03 29.2 1.9 153254 153254
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) 2 2.07 71.3 0.14 4.6 1.5 11633
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) 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 PDB entry 1JSC 2 100 149082 149082 14891 91 0.195 0.195 0.191 0.1906 0.228 0.227 RANDOM 34.02
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] -0.247 0.244 4.393 1.661 -0.402 -1.414
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.52 c_angle_d 1.26 c_improper_angle_d 0.79 c_bond_d 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 16268 Nucleic Acid Atoms Solvent Atoms 1370 Heterogen Atoms 160
Software Software Software Name Purpose ADSC data collection SCALEPACK data scaling AMoRE phasing CNS refinement