3NYV

Calcium-Dependent Protein Kinase 1 from Toxoplasma gondii (TgCDPK1) in complex with non-specific inhibitor WHI-P180

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3I7C

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	298	27% PEG 3350, 0.275 M ammonium citrate, 5 mM DTT, 2.3 mM WHI-P180; frozen directly in LN2, pH 6.5, vapor diffusion, sitting drop, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.04	39.56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 48.272	α = 90
b = 72.297	β = 103.61
c = 67.174	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MARMOSAIC 325 mm CCD		2009-06-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.97946	SSRL	BL9-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.88	50	99.2	0.048	13.4	4.2		36621		5

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.88	1.95	92.8		0.481	2.29	4.1	3401

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	3i7c	1.88	43.22	36601	1873	99.82	0.1751	0.1726	0.2218	RANDOM	37.7362

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]
0.56		1.16	-0.87		0.86

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.453
r_dihedral_angle_4_deg	17.901
r_dihedral_angle_3_deg	14.115
r_scangle_it	6.382
r_dihedral_angle_1_deg	5.083
r_scbond_it	4.193
r_mcangle_it	3.428
r_mcbond_it	2.228
r_angle_refined_deg	1.285
r_angle_other_deg	0.853

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.453
r_dihedral_angle_4_deg	17.901
r_dihedral_angle_3_deg	14.115
r_scangle_it	6.382
r_dihedral_angle_1_deg	5.083
r_scbond_it	4.193
r_mcangle_it	3.428
r_mcbond_it	2.228
r_angle_refined_deg	1.285
r_angle_other_deg	0.853
r_mcbond_other	0.721
r_chiral_restr	0.077
r_bond_refined_d	0.013
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3674
Nucleic Acid Atoms
Solvent Atoms	230
Heterogen Atoms	22

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
Blu-Ice	data collection
HKL-2000	data reduction
HKL-2000	data scaling
REFMAC	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.