Experiment: 1XE4

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1NE9	PDB ENTRY 1NE9

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	6.5	295	PEG 6000, sodium cacodylate, sodium chloride, pH 6.5, VAPOR DIFFUSION, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.53	45

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.326	α = 90
b = 101.305	β = 103.02
c = 46.331	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	CCD	MARRESEARCH	mirror 1, double crystal, mirror 2	2003-11-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM30A	0.979577	ESRF	BM30A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	1.95	15.992	94.5	0.066	6.6	3.1		26196			10.6

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.95	2.06	97.7		0.159	3.1	3	3952

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1NE9	1.95	15.99	27741	26184	1330	94.4	0.208	0.196	0.196	0.233	RANDOM	23.2

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]
-6.32		5	-6.91		13.23

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	23.1
c_scangle_it	2.67
c_scbond_it	1.88
c_mcangle_it	1.73
c_angle_deg	1.2
c_mcbond_it	1.15
c_improper_angle_d	0.77
c_bond_d	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2687
Nucleic Acid Atoms
Solvent Atoms	366
Heterogen Atoms	1

Software

Software
Software Name	Purpose
CNS	refinement
MOSFLM	data reduction
CCP4	data scaling
AMoRE	phasing

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.