7SHQ

Structure of a functional construct of eukaryotic elongation factor 2 kinase in complex with calmodulin.

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH	6.9	298.15	Cocktail solution: Peg3350: 24% MgCl2: 300 mM BisTris pH 6.9: 100 mM Protein Solution: 11 mg/mL CaM-eEF2Kp1/1 Tris pH 7.5: 20 mM NaCl: 0.1 M CaCl2: 3mM TCEP: 1mM MgCl2: 1.5 mM AMPPNP: 1.0 mM Crystallization conditions: 1/1 Protein/Cocktail under Paraffin Oil in a Greiner 72-Well microbatch plate

Crystal Properties
Matthews coefficient	Solvent content
2.33	47.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58.495	α = 90
b = 58.495	β = 90
c = 365.779	γ = 120

Symmetry
Space Group	P 31 2 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 PILATUS 6M		2021-06-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS-II BEAMLINE 19-ID	0.97946	NSLS-II	19-ID

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	2.34	121.9	100	0.362	0.137	0.073	0.994	14.5	25.9		32010			14.98

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)
1	2.342	2.382	100		1.778	1.817	0.368	0.943	2.5	24.5

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	3PDT,3LKM,4KUJ,1IA9,6NX4,4OZS,3RJV	2.34	50.66	1.34	31982	1514	99.9	0.2304	0.2293	0.252	33.65

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	6.504
f_angle_d	0.6114
f_chiral_restr	0.0412
f_plane_restr	0.0039
f_bond_d	0.0034

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5106
Nucleic Acid Atoms
Solvent Atoms	143
Heterogen Atoms	8

Software

Software
Software Name	Purpose
PHENIX	refinement
ISOLDE	refinement
Coot	model building
MR-Rosetta	phasing
autoPROC	data scaling
autoPROC	data reduction

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.