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Crystal Structure of the Escherichia coli Shikimate Kinase I (AroK)
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 295 30% PEG 5000 MME, 0.2M ammonium sulfate, 0.1M MES pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 1.97 37.43
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 35.726 α = 90 b = 63.417 β = 91.27 c = 67.941 γ = 90
Symmetry Space Group P 1 21 1
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 MARRESEARCH 2001-08-03 M SINGLE WAVELENGTH 2 1 x-ray 100 CCD MARRESEARCH 2001-10-21 M MAD
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X9A 0.97962 NSLS X9A 2 SYNCHROTRON NSLS BEAMLINE X9A 0.98167, 0.98147 NSLS X9A
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 2.05 20 97.5 0.031 19149 19149 10.2
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) 2.03 2.13 99.9 0.049
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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 MAD THROUGHOUT 2.05 19.58 18666 18666 1874 97.5 0.2216 0.217 0.217 0.2165 0.271 0.2705 RANDOM 23.9
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] 2.41 0.58 1.41 -3.82
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 20.5 c_scangle_it 7.08 c_scbond_it 5.42 c_mcangle_it 4.37 c_mcbond_it 3.59 c_angle_deg 1.7 c_improper_angle_d 0.93 c_bond_d 0.011
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2414 Nucleic Acid Atoms Solvent Atoms 258 Heterogen Atoms
Software Software Software Name Purpose SnB phasing MLPHARE phasing DM model building CNS refinement MARMAD data reduction DENZO data reduction SCALEPACK data scaling DM phasing