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Crystal Structure Determination of Pseudomonas stutzeri endoglucanase Cel5A using a Twinned Data Set
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4EE9 PDB ENTRY 4EE9
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7 292 Ps_Cel5A (27 microM) in 50 mM sodium phosphate pH 7.0, was mixed 1:1 with well buffer (100 mM tris pH 5.9 with 22.5 % v/v polyethylene glycol 600) using the hanging drop method with 500 uL well buffer in the well of the crystallization tray. Crystals obtained by this method were soaked 1 hour in 100 mM Tris pH 5.9 with 30% v/v polyethylene glycol 600., VAPOR DIFFUSION, HANGING DROP, temperature 292K
Crystal Properties Matthews coefficient Solvent content 2.05 40.04
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 70.39 α = 90 b = 82.9 β = 92.08 c = 104.74 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 ADSC QUANTUM 315r 2012-05-18 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE BM30A 0.979639 ESRF BM30A
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 1.556 48.279 91.6 0.076 0.07 17.9 7.1 157788 157658 -3 20.1
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 1.56 1.6 97.7 0.339 0.314 5.9 7.07 12421
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) 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 PDB ENTRY 4EE9 1.556 48.279 1.36 157658 157658 8444 91.58 0.2236 0.2196 0.2205 0.2371 0.2318 INHERITED 12.4
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 13.084 f_angle_d 1.177 f_chiral_restr 0.08 f_bond_d 0.007 f_plane_restr 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 10315 Nucleic Acid Atoms Solvent Atoms 1131 Heterogen Atoms 32
Software Software Software Name Purpose ADSC data collection PHASER phasing PHENIX refinement XDS data reduction XSCALE data scaling