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Crystal structure of L-talarate/galactarate dehydratase mutant K197A liganded with Mg and L-glucarate
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2PP0
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.5 293 1.6 M AmS, 0.1 M Tris HCL , pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
Crystal Properties Matthews coefficient Solvent content 3.55 65.34
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 174.234 α = 90 b = 174.234 β = 90 c = 123.573 γ = 90
Symmetry Space Group P 4 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 4 2007-02-25 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X4A 0.97915 NSLS X4A
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 25 87.1 0.074 6.5 83947 83947 21
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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 2PP0 2.2 24.94 0.1 83947 4281 87.1 0.204 0.204 0.2043 0.231 0.2309 RANDOM 35.8
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] 3.34 3.34 -6.69
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.5 c_scangle_it 3.01 c_scbond_it 2.04 c_mcangle_it 1.81 c_angle_deg 1.3 c_mcbond_it 1.2 c_improper_angle_d 0.8 c_bond_d 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 9231 Nucleic Acid Atoms Solvent Atoms 303 Heterogen Atoms 45
Software Software Software Name Purpose CNS refinement ADSC data collection DENZO data reduction SCALEPACK data scaling PHASER phasing