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Crystal structure of the Phosphofructokinase-2 from Escherichia coli in complex with Potassium
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3CQD
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4.75 291 23% PEG 4000, 0.1 M SODIUM ACETATE PH 4.75, 0.2 M AMMONIUM ACETATE, vapor diffusion, hanging drop, temperature 291K
Crystal Properties Matthews coefficient Solvent content 2.64 53.33
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 43.812 α = 90 b = 88.77 β = 90 c = 176.12 γ = 90
Symmetry Space Group P 2 2 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 PIXEL PSI PILATUS 6M DCM Si(311) and Si(111) 2010-09-09 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID29 0.97627 ESRF ID29
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 1.696 50 98.8 0.051 15.06 77204 76251 2 -3 34.02
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 1.696 1.8 98.1 0.59 2.04
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-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT 3CQD 1.696 48.967 2.02 77204 76249 3813 98.77 0.1828 0.1814 0.2079 0.208 Random 30.7992
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] -1.8126 2.0555 -0.2429
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 20.15 f_angle_d 1.297 f_chiral_restr 0.064 f_bond_d 0.011 f_plane_restr 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4542 Nucleic Acid Atoms Solvent Atoms 568 Heterogen Atoms 130
Software Software Software Name Purpose XSCALE data scaling PHASER phasing DM phasing PHENIX refinement PDB_EXTRACT data extraction DNA data collection XDS data reduction