1GSJ

Selenomethionine substituted N-acetyl-L-glutamate kinase from Escherichia coli complexed with its substrate n-acetyl-L-glutamate and its substrate analog AMPPNP


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
14.627-32% PEG MONOMETHYLETHER 2000, 0.1-0.3M AMMONIUM SULFATE, 5% ETHYLENE GLYCOL, 0.1M SODIUM ACETATE PH 4.6
Crystal Properties
Matthews coefficientSolvent content
2.142

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 59.564α = 90
b = 72.332β = 90
c = 107.418γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR scanner 345 mm plateTOROIDAL MIRROR1999-03-15MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONEMBL/DESY, HAMBURG BEAMLINE X310.94, 0.9765, 0.9770EMBL/DESY, HAMBURGX31

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
11.8229.898.80.059115.22064211.2
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)
11.821.9297.80.2812.53.9

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMADTHROUGHOUT1.8519.9119687100598.60.19870.19870.2269RANDOM20.3
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]
-0.410.87-0.46
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.5
c_improper_angle_d3.16
c_angle_deg1.6
c_bond_d0.01
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.5
c_improper_angle_d3.16
c_angle_deg1.6
c_bond_d0.01
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot
c_mcbond_it
c_mcangle_it
c_scbond_it
c_scangle_it
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1904
Nucleic Acid Atoms
Solvent Atoms198
Heterogen Atoms45

Software

Software
Software NamePurpose
CNSrefinement
MOSFLMdata reduction
SCALAdata scaling