3L76

Crystal Structure of Aspartate Kinase from Synechocystis


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP52930.1M Ammonium sulafte, 0.15 M Ammonium citrate, 9.5% PEG 3350, 2mM lysine, 2mM threonine, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
3.0259.3

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 86.21α = 90
b = 237.71β = 90
c = 150.08γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315rMirrors2007-06-13MMAD
21x-ray100CCDADSC QUANTUM 210rUndulatorMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE BM30A0.97924, 0.97939ESRFBM30A
2SYNCHROTRONESRF BEAMLINE ID14-10.934ESRFID14-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym 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
1,22.5441.4980.0740.07424.97.3351063
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.542.6495.30.5330.5334.037.25258

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMAD2.5441.41.3651050255399.690.20210.20210.19920.254761.344
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]
6.813-1.433-5.38
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d18.257
f_angle_d1.152
f_chiral_restr0.092
f_bond_d0.009
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms8473
Nucleic Acid Atoms
Solvent Atoms174
Heterogen Atoms77

Software

Software
Software NamePurpose
Nemo/Xnemodata collection
SOLVEphasing
PHENIXrefinement
XDSdata reduction
XDSdata scaling