3U87

Structure of a chimeric construct of human CK2alpha and human CK2alpha' in complex with a non-hydrolysable ATP-analogue

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3NGA	pdb entry 3NGA

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.2	293	reservoir: 15% polyethylene glycol 8000, 15% glycerol, 0.17 M ammonium sulfate, 0.1 M sodium cacodylate buffer; drop: 0.8 uL reservoir solution, 0.8 uL protein solution (12.6 mg/ml), 0.5 uL 10% anapoe 305 (detergent), 1.5 uL 5 mM AMPPNP, 1.5 uL 10 mM magnesium chloride, 1.5 uL CK2 substrate peptide (sequence RRRADDSDDDDD), pH 6.2, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.1	60.28

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 127.821	α = 90
b = 127.821	β = 90
c = 125.333	γ = 90

Symmetry
Space Group	P 43 21 2

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 225 mm CCD		2008-07-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1	0.91841	BESSY	14.1

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)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2.85	38	99.3	0.097	0.097	17.3	8.03	24894	24724		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.85	2.92	99.7		0.953	2.43	8.26

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	pdb entry 3NGA	2.9	36.655	1.38	23394	1202	99.16	0.1873	0.1857	0.218

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]
1.5209			1.5209		-3.0417

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	11.831
f_angle_d	0.641
f_chiral_restr	0.045
f_bond_d	0.006
f_plane_restr	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5560
Nucleic Acid Atoms
Solvent Atoms	51
Heterogen Atoms	86

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling

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.