Experiment: 4G1T

Crystal structure of interferon-stimulated gene 54

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.4	289	PEG, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.71	54.66

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 80.023	α = 90
b = 95.207	β = 90
c = 155.9	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		CCD	ADSC QUANTUM 315		2010-10-07	M	SINGLE WAVELENGTH
2	1	x-ray		CCD	ADSC QUANTUM 315		2010-06-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL17U	0.979	SSRF	BL17U
2	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-5A	0.978	Photon Factory	BL-5A

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	2.8	40	99			29758	29706	4.4	121.7	63.88

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1,2	2.8	2.85	87.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	SAD	2.8	39.572	29692	1505	98.83	0.2369	0.2342	0.263	0.2866	0.3009	70.293

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]
1.4558			-13.7221		12.2664

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	18.03
f_angle_d	1.242
f_chiral_restr	0.077
f_bond_d	0.01
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6847
Nucleic Acid Atoms
Solvent Atoms	23
Heterogen Atoms

Software

Software
Software Name	Purpose
HKL-2000	data collection
SHELXS	phasing
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling