3KUK

Trapping of an oxocarbenium ion intermediate in UP crystals


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.329518% PEG5K MME, 140 mM MgCl2, 100 mM MES, pH 6.3, vapor diffusion, hanging drop, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
3.2662.26

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 82.639α = 90
b = 82.639β = 90
c = 259.018γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152007-03-16MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 24-ID-C0.97920APS24-ID-C

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.78350234642071130.51

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (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 REPLACEMENT2.7830.091958998683.520.1860.1820.2539.354
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]
4.4694.469-23.238
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d17.143
f_angle_d1.091
f_chiral_restr0.067
f_bond_d0.007
f_plane_restr0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4484
Nucleic Acid Atoms
Solvent Atoms60
Heterogen Atoms42

Software

Software
Software NamePurpose
PHENIXrefinement
PDB_EXTRACTdata extraction