9HK5 | pdb_00009hk5

Structure of a mutant of human protein kinase CK2alpha' that equals its isoenzyme CK2alpha in affinity to the regulatory subunit CK2beta

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	293	protein stock solution: 5 mg/ml protein, 500 mM NaCl, 25 mM Tris/HCl, pH 8.5; protein/inhibitor mixture: 19 mikroliter protein stock solution plus 1 mikroliter 20 mM CX-4945 in DMSO; reservoir: 900 mM LiCL, 28 % (w/v) PEG 6000, 250 mM Tris/HCl, pH 8.5; crystallization drop: 2 mikroliter reservoir + 4 mikroliter protein/inhibitor mixture; initial crystals were optimized by micro seeding

Crystal Properties
Matthews coefficient	Solvent content
2.45	49.75

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 46.788	α = 111.757
b = 47.804	β = 90.221
c = 50.579	γ = 91.546

Symmetry
Space Group	P 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	PIXEL	DECTRIS EIGER2 X 9M		2024-11-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID30B	0.873128	ESRF	ID30B

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	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	1.491	46.971	88.3	0.104	0.104	0.129	0.076	0.992	7.7	2.8		44234			9.63

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.491	1.672	11.4		0.775	0.775	0.944	0.533	0.447	1.6	3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1.491	46.97	1.96	44234	1091	66.72	0.1748	0.1741	0.1741	0.2038	0.2038	16.8

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	13.3186
f_angle_d	0.7935
f_chiral_restr	0.0856
f_plane_restr	0.0077
f_bond_d	0.0063

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2770
Nucleic Acid Atoms
Solvent Atoms	337
Heterogen Atoms	33

Software

Software
Software Name	Purpose
autoPROC	data reduction
autoPROC	data scaling
PHASER	phasing
PHENIX	refinement

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.