3I7C

Calcium-Dependent Protein Kinase 1 from Toxoplasma gondii (TgCDPK1) in complex with bumped kinase inhibitor NA-PP2


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1sitting drop vapor diffusion6.529826% PEG 3350, 0.25 M ammonium citrate, 4 mM NA-PP2; directly frozen from mother liquor, pH 6.5, sitting drop vapor diffusion, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.0339.49

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 48.139α = 90
b = 72.522β = 103.76
c = 67.116γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 325 mm CCD2009-05-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL9-20.97911SSRLBL9-2

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
11.985098.10.099.23.730803326.6
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)
11.982.0696.60.7023.62996

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT3I791.983030780155698.170.1950.1930.245RANDOM26.071
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]
0.450.24-0.620.29
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.764
r_dihedral_angle_4_deg16.923
r_dihedral_angle_3_deg13.537
r_dihedral_angle_1_deg4.659
r_scangle_it4.492
r_scbond_it2.85
r_mcangle_it2.331
r_mcbond_it1.385
r_angle_refined_deg0.978
r_angle_other_deg0.762
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.764
r_dihedral_angle_4_deg16.923
r_dihedral_angle_3_deg13.537
r_dihedral_angle_1_deg4.659
r_scangle_it4.492
r_scbond_it2.85
r_mcangle_it2.331
r_mcbond_it1.385
r_angle_refined_deg0.978
r_angle_other_deg0.762
r_mcbond_other0.383
r_chiral_restr0.056
r_bond_refined_d0.007
r_gen_planes_refined0.003
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3712
Nucleic Acid Atoms
Solvent Atoms170
Heterogen Atoms24

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
PHASERphasing
REFMACrefinement
PDB_EXTRACTdata extraction
Blu-Icedata collection
HKL-2000data reduction
HKL-2000data scaling