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Crystal structure of biosynthetic alaine racemase from Escherichia coli
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1RCQ PDB ENTRY 1RCQ
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7 277 0.1M HEPES, 1.6M ammonium sulfate, pH7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 3.12 60.57
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 147.981 α = 90 b = 147.981 β = 90 c = 163.483 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++ 2006-11-03 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 2.4 164.399 99.6 0.097 0.097 7.4 7 78833
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 2.4 2.53 97.7 0.35 0.35 2.1 4.7
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-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT PDB ENTRY 1RCQ 2.4 15 322 78185 7554 99.1 0.214 0.214 0.21 0.247 0.2404 22.118
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] -3.204 -1.698 -3.204 6.409
RMS Deviations Key Refinement Restraint Deviation c_scangle_it 2.435 c_mcangle_it 1.691 c_scbond_it 1.657 c_mcbond_it 1.025
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 10924 Nucleic Acid Atoms Solvent Atoms 494 Heterogen Atoms 120
Software Software Software Name Purpose SCALA data processing CNS refinement PDB_EXTRACT data extraction CrystalClear data collection MOSFLM data reduction SCALA data scaling