Experiment: 1EPU

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	BATCH CRYSTALLIZATION	7.4	277	Hepes, potassium chloride, dithiothreitol, pH 7.4, BATCH CRYSTALLIZATION, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.94	57.77

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 49.063	α = 90
b = 121.989	β = 104.53
c = 69.046	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	ADSC QUANTUM 4		1999-02-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4		ESRF	ID14-4

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	2.4	25	99.2	0.055	11.1	1.9		34634			55.95

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	2.4	2.5	99.2		0.305	2.4	1.9	4042

Refinement

Statistics
Diffraction ID	Structure Solution Method	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	TWO-WAVELENGTH MAD	2.4	25	30751	30601	1542	99.5	0.2508	0.2508	0.24	0.277	RANDOM	67.72

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
c_dihedral_angle_d	22.36
c_mcangle_it	2.15
c_scangle_it	2.03
c_angle_deg	1.35
c_scbond_it	1.26
c_mcbond_it	1.18
c_improper_angle_d	0.94
c_bond_d	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4412
Nucleic Acid Atoms
Solvent Atoms	69
Heterogen Atoms

Software

Software
Software Name	Purpose
SnB	phasing
SHARP	phasing
DMMulti	model building
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling
DMMulti	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.