Experiment: 3IBG

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8	298	0.2 M potassium citrate, 16% PEG 3350, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.76	55.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.76	α = 90
b = 154.78	β = 90
c = 242.88	γ = 90

Symmetry
Space Group	P 21 21 21

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	MARMOSAIC 325 mm CCD		2008-12-14	M	SINGLE WAVELENGTH
2	1	x-ray	100	CCD	MARMOSAIC 325 mm CCD		2009-01-12	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL12-2	1.000	SSRL	BL12-2
2	SYNCHROTRON	SSRL BEAMLINE BL12-2	0.97941, 0.97954, 0.91837	SSRL	BL12-2

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
1,2	3.2	65.268	100	0.124	10.4	4.9		43190

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)
	3.2	3.37	100		0.667	2.5	5

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	MAD	3.2	65.264	1.35	43100	2197	99.92	0.2139	0.2119	0.2513	86.205

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]
10.197			-12.357		2.16

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	17.866
f_angle_d	1.038
f_chiral_restr	0.057
f_bond_d	0.006
f_plane_restr	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	14076
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	162

Software

Software
Software Name	Purpose
SCALA	data processing
SOLVE	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction
Blu-Ice	data collection
MOSFLM	data reduction
SCALA	data scaling

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.