Experiment: 3UX9

Structural insights into a human anti-IFN antibody exerting therapeutic potential for systemic lupus erythematosus

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	289	magnesium acetate, 0.1M Tris (pH 8.5), 12% PEG 8000, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.48	50.49

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 236.225	α = 90
b = 91.945	β = 99.75
c = 43.633	γ = 90

Symmetry
Space Group	C 1 2 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 315		2010-08-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.9794	APS	19-ID

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	2.75	50	99.9			21650	21650	5.9	2	37.19

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	2.75	2.82	99.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	2.8	41.54	0.2	21650	21650	1085	94.95	0.1862	0.1862	0.1832	0.1864	0.2429	0.1961	RANDOM	62.0144

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]
-14.2059		-3.7768	-14.3791		-8.7382

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	19.833
f_angle_d	1.3
f_chiral_restr	0.105
f_bond_d	0.012
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5579
Nucleic Acid Atoms
Solvent Atoms	40
Heterogen Atoms

Software

Software
Software Name	Purpose
HKL-3000	data collection
BALBES	phasing
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling