Experiment: 4EAN

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2CEQ	pdb entry 2CEQ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	6.5	293	45% MPD, 100 mM Bis-Tris, 200 mM Calcium Chloride, pH 6.5, VAPOR DIFFUSION, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.41	63.89

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 167.544	α = 90
b = 167.544	β = 90
c = 95.232	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		2012-01-01		SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 17-ID	1.0000	APS	17-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	1.75	50	99.76	0.079	14.3765	6.69	153873	153873		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.75	1.84	99.95		0.65		6.91	22341

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	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	pdb entry 2CEQ	1.75	33.932	1.13	153499	7697	99.49	0.1748	0.1739	0.1914	RANDOM	24.9709

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]
-4.3802			-4.3802		8.7605

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	12.444
f_angle_d	1.211
f_chiral_restr	0.077
f_bond_d	0.01
f_plane_restr	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7858
Nucleic Acid Atoms
Solvent Atoms	615
Heterogen Atoms	40

Software

Software
Software Name	Purpose
SCALA	data scaling
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction
JDirector	data collection
XDS	data reduction

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.