3T3V

Calcium-Dependent Protein Kinase 1 from Toxoplasma gondii (TgCDPK1) in complex with Bumped Kinase Inhibitor, RM-1-87


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3I79PDB entry 3i79

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP729825% PEG 3350, 0.275 M ammonium citrate, 5 mM DTT, 2.3 mM RM-1-87; mother liquor supplemented with 10% ethylene glycol prior to freezing in LN2, pH 7.0, vapor diffusion, sitting drop, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.0239.23

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 47.973α = 90
b = 71.934β = 103.47
c = 66.621γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315r2009-12-02MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL7-10.9762SSRLBL7-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
12.045099.90.0760.07617.4763.728208-330.9
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.042.1199.90.7320.7321.7093.7

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 DIFFRACTIONFOURIER SYNTHESISTHROUGHOUTPDB entry 3i792.0439.1428140147099.850.1990.19670.2397RANDOM41.2153
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]
-0.030.08-1.191.26
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg4.593
r_angle_other_deg1.003
r_angle_refined_deg0.966
r_chiral_restr0.057
r_bond_refined_d0.008
r_bond_other_d0.003
r_gen_planes_refined0.003
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3632
Nucleic Acid Atoms
Solvent Atoms96
Heterogen Atoms29

Software

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