5F23

Crystal structure of NH(3)-dependent NAD(+) synthetase Pseudomonas aeruginosa in complex with NAD


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.5290Morpheus screen, e1: 10% w/v PEG 20 000, 20% v/v PEG MME 550; 30mM of each diethyleneglycol, triethyleneglycol, tetraethyleneglycol, pentaethyleneglycol; 0.1 M MES/imidazole pH 6.5; PsaeA.00025.a.B1.PW37555 at 23.5 mg/ml; 5 h soak with 5mM NAD; cryo: direct; tray 258195e1, puck hml20-1
Crystal Properties
Matthews coefficientSolvent content
2.244

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 111.87α = 90
b = 41.19β = 113.54
c = 64.13γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRIGAKU SATURN 944+2015-10-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU MICROMAX-007 HF1.5418

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
11.55098.50.0390.0431.8110.14328142621-314.76
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)
11.51.5492.20.3490.3864.445.2

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-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUEPDB entry 4xfd, apo structure1.549.7121.3442614206698.620.14040.13840.1799Random selection24.9943
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_d16.513
f_angle_d0.899
f_chiral_restr0.054
f_bond_d0.007
f_plane_restr0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1982
Nucleic Acid Atoms
Solvent Atoms271
Heterogen Atoms56

Software

Software
Software NamePurpose
XDSdata reduction
XSCALEdata scaling
PHENIXphasing
PHENIXrefinement
Cootmodel building
PDB_EXTRACTdata extraction