3KHE

Crystal structure of the calcium-loaded calmodulin-like domain of the CDPK, 541.m00134 from toxoplasma gondii

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	293	24 % PEG3350, 0.1 M NH4SO4, 0.1 M BisTris 6.5, 2 mM CaCl2, 4 mM MgCl2, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.86	56.97

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.838	α = 90
b = 101.015	β = 90
c = 107.87	γ = 90

Symmetry
Space Group	P 21 21 21

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	ADSC QUANTUM 315		2009-10-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	.97932	APS	19-ID

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	1.95	35	100	0.156	3.8	7		37365			22.6

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)	Redundancy	Number Unique Reflections (All)
	1.95	2	100		0.878	0.64	2.58	6.5	2468

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.95	35	37348	37266	1864	99.78	0.204	0.204	0.201	0.277	RANDOM	21.546

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]
-0.38			1.82		-1.44

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.991
r_dihedral_angle_4_deg	16.899
r_dihedral_angle_3_deg	16.058
r_scangle_it	6.627
r_dihedral_angle_1_deg	5.374
r_scbond_it	4.503
r_mcangle_it	2.48
r_rigid_bond_restr	1.994
r_angle_refined_deg	1.814
r_mcbond_it	1.596

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.991
r_dihedral_angle_4_deg	16.899
r_dihedral_angle_3_deg	16.058
r_scangle_it	6.627
r_dihedral_angle_1_deg	5.374
r_scbond_it	4.503
r_mcangle_it	2.48
r_rigid_bond_restr	1.994
r_angle_refined_deg	1.814
r_mcbond_it	1.596
r_angle_other_deg	1.072
r_mcbond_other	0.513
r_chiral_restr	0.117
r_bond_refined_d	0.024
r_gen_planes_refined	0.007
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2987
Nucleic Acid Atoms
Solvent Atoms	364
Heterogen Atoms	29

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
JBluIce-EPICS	data collection
BALBES	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 R01GM133198.