Crystal structure of the N4BP2 polynucleotide kinase domain complexed with ADP, Mg, and 5'-phosphorylated GUA (pGUA).


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFold 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION295Crystals were grown in 20% PEG 3350, 0.2 M ammonium sulfate, 0.1 M MES/imidazole (pH 6.0), 100 mM Mg2+, 2 mM ATP, 10% isopropanol, and 5% PEG 400, and were soaked for 16 h in the same solution supplemented with 5 mM ATP and 1 mM GUA.
Crystal Properties
Matthews coefficientSolvent content
2.3447.35

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 103.436α = 90
b = 107.088β = 90
c = 114.371γ = 90
Symmetry
Space GroupI 2 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER2 X 9M2024-09-19MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS-II BEAMLINE 17-ID-10.920119NSLS-II17-ID-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)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
12.7534.081000.20.2130.0730.9929.28.616843
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.752.81000.8570.9150.3170.7252.98.7

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)Mean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE2.7534.071.331606581995.380.23160.22860.22240.28610.280954.25
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_d14.3492
f_angle_d0.6148
f_chiral_restr0.0401
f_bond_d0.0065
f_plane_restr0.0032
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3805
Nucleic Acid Atoms198
Solvent Atoms297
Heterogen Atoms94

Software

Software
Software NamePurpose
PHENIXrefinement
PDB_EXTRACTdata extraction
autoPROCdata reduction
autoPROCdata scaling
PHASERphasing