3UMO

Crystal structure of the Phosphofructokinase-2 from Escherichia coli in complex with Potassium


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
2.6453.33

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 43.812α = 90
b = 88.77β = 90
c = 176.12γ = 90
Symmetry
Space GroupP 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELPSI PILATUS 6MDCM Si(311) and Si(111)2010-09-09MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID290.97627ESRFID29

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
11.6965098.80.05115.0677204762512-334.02
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)
11.6961.898.10.592.04

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-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENT3CQD1.69648.9672.027720476249381398.770.18280.18140.2079Random30.7992
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]
-1.81262.0555-0.2429
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d20.15
f_angle_d1.297
f_chiral_restr0.064
f_bond_d0.011
f_plane_restr0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4542
Nucleic Acid Atoms
Solvent Atoms568
Heterogen Atoms130

Software

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