Experiment: 3QB8

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	9.5	295	0.9 M Sodium Citrate, 0.1M Imidizole pH 8.0, 0.1M Glycine-NaOH pH 10.5, 15% Glycerol, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
3.1	60.34

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 65.4	α = 90
b = 65.4	β = 90
c = 112.631	γ = 120

Symmetry
Space Group	P 31

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		CCD	MAR CCD 130 mm		2010-08-12	M	SINGLE WAVELENGTH
2	1	x-ray		CCD	MAR CCD 130 mm		2010-10-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X6A	1.7	NSLS	X6A
2	SYNCHROTRON	NSLS BEAMLINE X6A	1.0	NSLS	X6A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.4	50				106656	106487

Refinement

Statistics
Diffraction ID	Structure Solution Method	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	SAD	1.5	28.278	1.96	86178	4333	99.84	0.1526	0.1518	0.168

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]
0.5238			0.5238		1.8277

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	16.095
f_angle_d	1.693
f_chiral_restr	0.365
f_bond_d	0.017
f_plane_restr	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3134
Nucleic Acid Atoms
Solvent Atoms	417
Heterogen Atoms	106

Software

Software
Software Name	Purpose
PHENIX	model building
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHENIX	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.