3T9E

Crystal structure of the catalytic domain of human diphosphoinositol pentakisphosphate kinase 2 (PPIP5K2) in complex with ADP, 5-(PP)-IP5 (5-IP7) and MgF3 (transition state mimic)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP27712% (w/v) PEG 3350, 20 mM MgCl2, 0.1 M HEPES, pH 7.0, 1 mM ATP, 2 mM CdCl2, Soaking with 2mM 5-IP7 and 10 mM NaF under pH 5.2 for 2 days , VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.6954.36

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 89.07α = 90
b = 109.987β = 90
c = 41.338γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2011-03-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-BM1.0APS22-BM

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
11.95099.80.119.65.832911-3
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.91.9399.40.4973.24.8

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESISTHROUGHOUT1.937.530721198699.30.174950.172540.21263Equivalent and expanded18.243
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]
0.270.09-0.36
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.588
r_dihedral_angle_4_deg14.469
r_dihedral_angle_3_deg12.848
r_dihedral_angle_1_deg5.523
r_scangle_it2.988
r_scbond_it1.805
r_angle_refined_deg1.312
r_mcangle_it1.271
r_mcbond_it0.681
r_chiral_restr0.089
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.588
r_dihedral_angle_4_deg14.469
r_dihedral_angle_3_deg12.848
r_dihedral_angle_1_deg5.523
r_scangle_it2.988
r_scbond_it1.805
r_angle_refined_deg1.312
r_mcangle_it1.271
r_mcbond_it0.681
r_chiral_restr0.089
r_bond_refined_d0.011
r_gen_planes_refined0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2604
Nucleic Acid Atoms
Solvent Atoms494
Heterogen Atoms76

Software

Software
Software NamePurpose
HKL-2000data collection
PHENIXmodel building
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling
PHENIXphasing