3QAI

X-ray Structure of ketohexokinase in complex with a pyrimidopyrimidine analog 3


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3NBVPDB ENTRY 3NBV

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP4.529517% PEG 8k, 0.1M Na-Citrate, 0.2M Ammonium Sulfate, pH 4.5, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
3.5965.78

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 83.132α = 90
b = 86.295β = 90
c = 136.598γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 210mirrors2009-02-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 17-BM1.0APS17-BM

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
12.74598.50.0769.84.12766827255-3
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)
12.72.898.50.391.34.382731

Refinement

Statistics
Diffraction IDStructure Solution 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 REPLACEMENTPDB ENTRY 3NBV2.736.4780.0225629185992.660.24060.23610.298random
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]
-6.62034.58682.0335
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d16.384
f_angle_d1.229
f_chiral_restr0.074
f_bond_d0.009
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4555
Nucleic Acid Atoms
Solvent Atoms24
Heterogen Atoms77

Software

Software
Software NamePurpose
JDirectordata collection
PHENIXmodel building
PHENIXrefinement
d*TREKdata reduction
d*TREKdata scaling
PHENIXphasing