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The open conformation of E.coli Elongation Factor Tu in complex with GDPNP.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1EFC
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.5 293 Protein konc. 8 mg/ml in
30 mM KCl, 20mM Hepes pH 7.5,5mM MgCl2, 1mM DTT
1 ul protein sample mixed with 1ul reservoir.
Reservoir:
2M Ammonium sulfate
100 mM Hepes pH 7.5
2% (v/v) PEG 400
1mM DTT
and streak seeded.
Crystal Properties Matthews coefficient Solvent content 2.89 57.38
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 61.243 α = 90 b = 243.589 β = 90 c = 67.128 γ = 90
Symmetry Space Group P 21 21 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 MAR CCD 130 mm 2008-01-26 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON MAX II BEAMLINE I911-2 1.0379 MAX II I911-2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) CC (Half) 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 2.47 29.7 98.3 0.104 0.996 18.1 7.8 36491 34.03
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.47 2.56 95.64 0.763 0.799 4.2 7
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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 1EFC 2.47 29.697 1.37 36410 2069 98.38 0.1742 0.172 0.1713 0.2118 0.2099
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 9.078 f_angle_d 0.59 f_chiral_restr 0.045 f_plane_restr 0.004 f_bond_d 0.002
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5942 Nucleic Acid Atoms Solvent Atoms 257 Heterogen Atoms 149
Software Software Software Name Purpose PHENIX refinement XDS data reduction XSCALE data scaling PHASER phasing