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Crystal structure of Escherichia coli alaine racemase mutant E221K
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2RJG PDB ENTRY 2RJG
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.6 277 0.1M MES, 1.6M ammonium sulfate, pH6.6, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 3.13 60.72
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 148.181 α = 90 b = 148.181 β = 90 c = 163.689 γ = 120
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 IMAGE PLATE RIGAKU RAXIS IV 2007-10-18 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 2.6 164.399 100 0.141 0.141 5.2 9.3 62549
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.6 2.74 100 0.425 0.425 1.8 8.8 9098
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT PDB ENTRY 2RJG 2.6 15 6 62214 5943 100 0.227 0.2231 0.237 0.2329 22.421
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] -2.49 -3.435 -2.49 4.98
RMS Deviations Key Refinement Restraint Deviation c_scangle_it 2.175 c_mcangle_it 1.619 c_scbond_it 1.448 c_mcbond_it 0.961
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 10939 Nucleic Acid Atoms Solvent Atoms 489 Heterogen Atoms 115
Software Software Software Name Purpose MOSFLM data reduction SCALA data scaling CNS refinement PDB_EXTRACT data extraction CrystalClear data collection CNS phasing