6V2L

E. coli Phosphoenolpyruvate carboxykinase S250A


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1MICROBATCH293A 2ul drop with 3 mg/ml S250A PCK, 5 mM Manganese chloride, 5mM Magnesium chloride, 2 mM ATP, 2mM Pyruvate, 1 mM EDTA, 200 mM Ammonium acetate, 100 mM Sodium acetate pH 4.8, 0.01 mM DTT, 12% PEG 4000 was added to 2 ul drop containing 0.01 mM Nickel chloride, 0.1 M Tris pH 8.5, 20% PEG 2000. After a week a rod like crystal was removed and soaked in a solution with 30% glycerol 1mM EDTA, 100 mM sodium acetate 200mM ammonium acetate and 12% PEG 4000 for 10 seconds and flash cooled in liquid notrogen
Crystal Properties
Matthews coefficientSolvent content
2.3246.87

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 124.91α = 90
b = 94.62β = 96.21
c = 46.35γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray105CCDRAYONIX MX300HE2014-10-09MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONCLSI BEAMLINE 08B1-10.8856CLSI08B1-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)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
11.740.599.590.18030.20920.10560.9929.633.85860316.05
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.71.7611.2370.72550.4911.25

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1AYL1.740.51.3458596293099.580.16910.1670.208321.3601
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]
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4122
Nucleic Acid Atoms
Solvent Atoms551
Heterogen Atoms37

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
XDSdata scaling
MOLREPphasing