7PNS

Protein kinase A catalytic subunit in complex with PKI5-24 and EN081


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP277.15Protein at 8 mg/mL in 100 mM Mes-Bis-Tris pH 6.9, 75 mM Lithium chloride, 1 mM DTT, 100 mM Sodium-EDTA. Master-Mix: 540 uL of protein + 15 uL 10 mM Mega8 in Water + 45 uL 10 mM PKI5-24 in protein-buffer. 70 % Master-Mix mixed with 30 % 50 mM ligand in DMSO before setting of drops. 15-24 % Methanol/Water in Reservoir.
Crystal Properties
Matthews coefficientSolvent content
2.2745.8

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 69.444α = 90
b = 73.122β = 90
c = 77.172γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER2 X 16M2021-04-21MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPETRA III, DESY BEAMLINE P111.033193PETRA III, DESYP11

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym I (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
11.85542.171162889970.0540.99928.7913.313323232.4678264541
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.8551.9696.10.50.9625.8813.58

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-VALUE5M6Y1.85542.1711628891.3719728552133232166297.02773722630.175579036440.1742379826540.20152981339342.5461014425
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_d16.908294546
f_angle_d1.00563999118
f_chiral_restr0.0592135535102
f_bond_d0.010402418069
f_plane_restr0.00675642988432
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2805
Nucleic Acid Atoms
Solvent Atoms151
Heterogen Atoms28

Software

Software
Software NamePurpose
PHENIXrefinement
XDSdata reduction
XDSdata scaling
PHASERphasing