3I79

Calcium-Dependent Protein Kinase 1 from Toxoplasma gondii (TgCDPK1)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1sitting drop vapor diffusion6.529825% PEG 3350, 0.2 M tri-ammonium citrate; cryoprotected with 15% ethylene glycol, pH 6.5, sitting drop vapor diffusion, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.0540.09

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 48.144α = 90
b = 71.861β = 102.98
c = 67.265γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMarUSA MarMosaic -325 CCD2009-04-22SAD
21x-ray100CCDMarUSA MarMosaic -325 CCD2009-04-22SINGLE WAVELENGTH
1,21
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL9-20.97923SSRLBL9-2
2SYNCHROTRONSSRL BEAMLINE BL9-20.97923SSRLBL9-2

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
1,22.045099.90.05210.44.228324334.8
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)
1,22.042.121000.672.24.22799

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 DIFFRACTIONSADTHROUGHOUT2.0436.8928302143199.660.2150.2130.258RANDOM30.032
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]
0.130.89-0.70.97
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.314
r_dihedral_angle_4_deg14.522
r_dihedral_angle_3_deg13.157
r_dihedral_angle_1_deg4.66
r_scangle_it3.471
r_scbond_it2.143
r_mcangle_it2.025
r_mcbond_it1.177
r_angle_refined_deg0.866
r_angle_other_deg0.769
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.314
r_dihedral_angle_4_deg14.522
r_dihedral_angle_3_deg13.157
r_dihedral_angle_1_deg4.66
r_scangle_it3.471
r_scbond_it2.143
r_mcangle_it2.025
r_mcbond_it1.177
r_angle_refined_deg0.866
r_angle_other_deg0.769
r_mcbond_other0.265
r_chiral_restr0.05
r_bond_refined_d0.006
r_gen_planes_refined0.002
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3650
Nucleic Acid Atoms
Solvent Atoms75
Heterogen Atoms4

Software

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