3UQD

Crystal structure of the Phosphofructokinase-2 from Escherichia coli in complex with substrates and products


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP4.7529123% PEG 4000, 0.1 M SODIUM ACETATE PH 4.75, 0.2 M AMMONIUM ACETATE, vapor diffusion, hanging drop, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.3547.6

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 69.885α = 90
b = 155.189β = 90
c = 224.989γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2010-07-25MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONLNLS BEAMLINE W01B-MX21.45LNLSW01B-MX2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.142096.10.08811.3567552649352-341.26
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.142.2788.60.6252.24

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB entry 3CQD2.1419.791.996755264934324796.30.1980.1950.25538.61
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]
8.1313-5.3644-2.6745
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d18.849
f_angle_d0.875
f_chiral_restr0.052
f_bond_d0.006
f_plane_restr0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms9057
Nucleic Acid Atoms
Solvent Atoms682
Heterogen Atoms256

Software

Software
Software NamePurpose
XSCALEdata scaling
PHASERphasing
DMphasing
PHENIXrefinement
PDB_EXTRACTdata extraction
MAR345dtbdata collection
XDSdata reduction