7KNZ

Dihydrodipicolinate synthase (DHDPS) from C.jejuni, E88A mutant with pyruvate bound in the active site and R,R-bislysine at the allosteric site


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4LY8 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1MICROBATCH7.4288.150.5 M Magnesium acetate, 8 % PEG 8000, 0.1 M Sodium acetate (pH 7.4), 120 mM R,R-bisLysine
Crystal Properties
Matthews coefficientSolvent content
2.5351.32

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 85.12α = 90
b = 231.21β = 90
c = 200.12γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS3 S 6M2019-07-29MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONCLSI BEAMLINE 08ID-10.9795CLSI08ID-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)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
12.2845.9199.90.99510.561589981
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)
12.282.36199.180.8348

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 REPLACEMENTTHROUGHOUT4LY82.2845.911.3589963449899.850.18130.17950.215631.4849
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 Atoms13566
Nucleic Acid Atoms
Solvent Atoms851
Heterogen Atoms327

Software

Software
Software NamePurpose
PHENIXrefinement
XSCALEdata scaling
PDB_EXTRACTdata extraction
HKL-3000data reduction
MOLREPphasing