4ZP1

Crystal structure of Zymomonas mobilis pyruvate decarboxylase variant Glu473Ala


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6277ZmPDC variant Glu473Ala was concentrated to 7.5 mg/mL in 10 mM citrate buffer (pH 6.0) containing 1 mM ThDP and 1 mM MgSO4. 1 microL of the enzyme was mixed with 1 microL of the reservoir solution containing 100 mM Tris, 40 mM NiCl2, 15% PEG2000, 1 mM ThDP, 1 mM MgSO4, and 100 mM sodium malonate.
Crystal Properties
Matthews coefficientSolvent content
2.6253.12

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 70.29α = 90
b = 167.64β = 101.66
c = 110.82γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELPSI PILATUS 6M2014-04-03MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPETRA III, EMBL c/o DESY BEAMLINE P13 (MX1)0.98420PETRA III, EMBL c/o DESYP13 (MX1)

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)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
12.247.5598.30.0610.07116.153.8124039124039-337.43
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.22.3197.10.5590.6562.383.7

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESISFREE R-VALUE2.20547.5451.36123937619598.260.17210.16980.2166Random selection
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d12.441
f_angle_d0.844
f_chiral_restr0.032
f_bond_d0.005
f_plane_restr0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms17048
Nucleic Acid Atoms
Solvent Atoms607
Heterogen Atoms122

Software

Software
Software NamePurpose
PHENIXrefinement
XSCALEdata scaling
PDB_EXTRACTdata extraction
XDSdata reduction
PHASERphasing