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Crystal structure of Escherichia coli tryptophanase purified from alkaline stressed bacterial culture.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2C44 PDB ENTRY 2C44
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 25% PEG 4000 30MM AMMONIUM SULFATE 20MM B-MERCAPTOETHANOL 100MM TRIS-HCL PH 9
Crystal Properties Matthews coefficient Solvent content 3.32 63.02
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 158.24 α = 90 b = 158.24 β = 90 c = 387.766 γ = 120
Symmetry Space Group P 65 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 315r 2009-09-25 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID23-1 ESRF ID23-1
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 2.78 47.01 99.9 0.175 25.72 42.6 72775 2 56.34
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) 1 2.78 2.88 100 0.21 2.54 43.7
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 2C44 2.78 47.014 1.35 72774 3672 99.88 0.217 0.2155 0.2168 0.2457 0.2429 60.9
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]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 10.769 f_angle_d 0.696 f_chiral_restr 0.028 f_bond_d 0.003 f_plane_restr 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 12841 Nucleic Acid Atoms Solvent Atoms 113 Heterogen Atoms 144
Software Software Software Name Purpose PHENIX refinement XDS data reduction XDS data scaling PHASER phasing