3AAW

Crystal structure of aspartate kinase from Corynebacterium glutamicum in complex with lysine and threonine


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.52931.2M Sodium citrate, 0.1M Tris-HCl, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
3.4163.91

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 162.232α = 90
b = 162.232β = 90
c = 133.926γ = 90
Symmetry
Space GroupI 4

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray95CCDADSC QUANTUM 4rmirror2007-10-14MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPHOTON FACTORY BEAMLINE BL-6A0.978Photon FactoryBL-6A

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
12.55099.80.0560.05627.17.65998159.2
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.52.591000.3385.87.7

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRIES 2HMF and 2DTJ2.543.565998056782302299.710.211880.211880.209850.25029RANDOM45.963
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]
-1.36-1.362.72
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.572
r_dihedral_angle_4_deg17.084
r_dihedral_angle_3_deg15.716
r_dihedral_angle_1_deg5.429
r_scangle_it2.122
r_scbond_it1.2
r_angle_refined_deg1.066
r_mcangle_it0.94
r_angle_other_deg0.838
r_mcbond_it0.493
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.572
r_dihedral_angle_4_deg17.084
r_dihedral_angle_3_deg15.716
r_dihedral_angle_1_deg5.429
r_scangle_it2.122
r_scbond_it1.2
r_angle_refined_deg1.066
r_mcangle_it0.94
r_angle_other_deg0.838
r_mcbond_it0.493
r_chiral_restr0.063
r_mcbond_other0.058
r_bond_refined_d0.008
r_gen_planes_refined0.003
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms8199
Nucleic Acid Atoms
Solvent Atoms222
Heterogen Atoms62

Software

Software
Software NamePurpose
HKL-2000data collection
MOLREPphasing
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling