8FO6

Nucleotide-free structure of a functional construct of eukaryotic elongation factor 2 kinase.

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	5.9	293	100 mM Bis-trispropane, 200 mM NaF, 17.6% PEG-3350 (2protein 1solution)

Crystal Properties
Matthews coefficient	Solvent content
2.49	50.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.527	α = 90
b = 58.901	β = 109.67
c = 88.394	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	PIXEL	DECTRIS EIGER X 16M	Horizontal pre-focus bimorph mirror & KB bimorph mirrors	2022-05-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS-II BEAMLINE 17-ID-2	0.97934	NSLS-II	17-ID-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	2.553	73.001	99.9	0.1117	0.1227	0.05	0.996	10.33	6.09		24680

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.553	2.597	100		0.7964	0.8746	0.3566	0.838	2.31	5.87	1228

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation 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	FREE R-VALUE	7SHQ	2.553	47.52	1.35	24650	1153	99.77	0.2176	0.2169	0.2314	60.06

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	16.7228
f_angle_d	0.5608
f_chiral_restr	0.0379
f_plane_restr	0.0042
f_bond_d	0.0029

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4739
Nucleic Acid Atoms
Solvent Atoms	107
Heterogen Atoms	3

Software

Software
Software Name	Purpose
autoPROC	data processing
Aimless	data scaling
TRUNCATE	data processing
PHENIX	refinement
XDS	data reduction
PHASER	phasing
ISOLDE	refinement
Coot	model building

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.