8GM5 | pdb_00008gm5

Functional construct of the Eukaryotic elongation factor 2 kinase bound to Calmodulin, ADP and to the A-484954 inhibitor and showing two conformations for the 498-520 loop

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	7SHQ	Only residues 80-148 were used for Calmodulin

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	6.5	295.15	Cocktail:16.55% PEG-3350, 0.2 M NaF, 100 mM BisTris-Propane Protein solution: 10.3 mg/mL 20 mM Tris pH 7.5, 100 mM NaCl, 3 mM CaCl2, 1mM TCEP, 1.5 m Inhibitor , 3.1 % DMSO 2protein/1cocktail (0.2 ul total)

Crystal Properties
Matthews coefficient	Solvent content
2.68	53.71

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 80.909	α = 90
b = 61.041	β = 111.26
c = 88.958	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	2.12	82.906	92	0.1221	0.1367	0.0603	0.996	5.89	4.93		30789

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)
	2.124	2.338	53.4		0.8888	1.0091	0.4736	0.567	1.46	4.45	1539

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	7SHQ	2.12	45.94	1.36	30782	1534	67.1	0.183	0.181	0.18	0.225	0.22	42.27

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	5.304
f_angle_d	0.518
f_chiral_restr	0.039
f_plane_restr	0.004
f_bond_d	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4304
Nucleic Acid Atoms
Solvent Atoms	240
Heterogen Atoms	51

Software

Software
Software Name	Purpose
PHENIX	refinement
autoPROC	data processing
XDS	data reduction
Aimless	data scaling
PHASER	phasing
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 R01GM157729.