Experiment: 2W2T

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
other		IN HOUSE STRUCTURE.

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7	277	RAC2(2-192)GDP WAS CRYSTALLIZED USING A PROTEIN CONCENTRATION OF 20 MG/ML WITH PRECIPITANT (20% PEG3350, 100 MM BIS-TRIS PROPANE PH 7.0) AND AT A CONSTANT TEMPERATURE OF 4C

Crystal Properties
Matthews coefficient	Solvent content
2.55	52

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.205	α = 90
b = 98.106	β = 90
c = 108.064	γ = 90

Symmetry
Space Group	C 2 2 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	ADSC CCD		2008-09-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I02		Diamond	I02

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	1.95	54	98.7	0.08	12.9	4.8		79004

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	1.95	2.06	96.1		0.52	2.3	4.5

Refinement

Statistics
Diffraction ID	Structure Solution 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	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	IN HOUSE STRUCTURE.	1.95	54.03	1.21	30557	1535	96.7	0.21	0.207	0.254

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]
-12.854			27.7227		-18.1119

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	19.078
f_angle_d	2.048
f_chiral_restr	0.134
f_bond_d	0.023
f_plane_restr	0.012

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1336
Nucleic Acid Atoms
Solvent Atoms	137
Heterogen Atoms	29

Software

Software
Software Name	Purpose
PHENIX	refinement
MOSFLM	data reduction
SCALA	data scaling
PHASER	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 R01GM157729.