8EOL

CRYSTAL STRUCTURE OF NAGB-II PHOSPHOSUGAR ISOMERASE FROM SHEWANELLA DENITRIFICANS OS217 AT 2.17 A RESOLUTION


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelOtherStructure with ligands GNPDA-GlcNol6P

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP8.52910.2 M MgCl2, 0.1 M Tris, pH 8.5, 30% w/v PEG 4000. Crystals grew in the presence of 1mM GlcNAc6P; however, no density for the ligand was observed in the electron density maps.
Crystal Properties
Matthews coefficientSolvent content
1.9436.66

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 72.378α = 90
b = 78.746β = 90
c = 96.856γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 200K2018-09-18MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU MICROMAX-007 HF1.5419

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
12.1741.258898.540.9312.81129534
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.172.240.931

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 REPLACEMENTFREE R-VALUEStructure with ligands GNPDA-GlcNol6P2.1741.2510.5129534149198.540.19040.18820.2307
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_d2.288
f_angle_d1.025
f_chiral_restr0.06
f_bond_d0.01
f_plane_restr0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4405
Nucleic Acid Atoms
Solvent Atoms204
Heterogen Atoms

Software

Software
Software NamePurpose
PHENIXrefinement
HKL-3000data reduction
HKL-3000data scaling
PHASERphasing