2EHH

Crystal structure of dihydrodipicolinate synthase from aquifex aeolicus


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1LIQUID DIFFUSION82910.4M NaH2PO4, 1.6M K2HPO4, imidazole, 0.2M NaCl, pH 8.0, LIQUID DIFFUSION, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
3.1861.31

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 61.321α = 90
b = 146.953β = 109.35
c = 97.877γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray180CCDRIGAKU JUPITER 2102006-11-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL26B21.00SPring-8BL26B2

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
11.94099.70.0915.41269801269802213.9
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)
1.91.9798.60.4654.912562

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 (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1o5k1.919.76126980123309373996.60.210.210.23RANDOM20.4
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]
-0.94-2.07-0.311.25
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22
c_scangle_it3.41
c_scbond_it2.3
c_mcangle_it1.68
c_angle_deg1.4
c_mcbond_it1.16
c_improper_angle_d0.86
c_bond_d0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms9092
Nucleic Acid Atoms
Solvent Atoms489
Heterogen Atoms10

Software

Software
Software NamePurpose
CNSrefinement
BSSdata collection
HKL-2000data reduction
HKL-2000data scaling
CCP4phasing