3FKE

Structure of the Ebola VP35 Interferon Inhibitory Domain

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.8	298	Well solution: 200 mM Sodium Citrate (pH 5.8),11% (W/V) PEG 4000; protein solution: 20 mM Tris-Cl (pH 7.0),50 mM NaCl, 5mM beta-mercaptoethanol, Vapor Diffusion, Hanging Drop, Temperature 298K, VAPOR DIFFUSION, HANGING DROP

Crystal Properties
Matthews coefficient	Solvent content
2.16	43.13

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.49	α = 90
b = 66.21	β = 90
c = 72.13	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	NOIR-1		2008-04-30	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 4.2.2	0.9792, 0.9795, 0.9643	ALS	4.2.2

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	1.4	41.91	99.7	0.061	11	6.65	47946	47946			22

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)
	1.4	1.45	98.8		0.441	2.4	4.91	4615

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	1.4	5	47946	47946	4829	100	0.20159	0.20159	0.19766	0.23647	RANDOM	14

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]
-0.97			1.19		-0.22

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.178
r_dihedral_angle_4_deg	20.213
r_dihedral_angle_3_deg	13.038
r_sphericity_free	8.379
r_scangle_it	4.96
r_dihedral_angle_1_deg	4.919
r_sphericity_bonded	4.098
r_scbond_it	3.759
r_rigid_bond_restr	2.497
r_mcangle_it	2.317
r_mcbond_it	1.876
r_angle_refined_deg	1.584
r_angle_other_deg	0.954
r_mcbond_other	0.71
r_symmetry_vdw_other	0.27
r_nbd_refined	0.238
r_nbd_other	0.188
r_symmetry_hbond_refined	0.185
r_nbtor_refined	0.182
r_xyhbond_nbd_refined	0.14
r_chiral_restr	0.101
r_symmetry_vdw_refined	0.099
r_nbtor_other	0.085
r_bond_refined_d	0.016
r_gen_planes_refined	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1938
Nucleic Acid Atoms
Solvent Atoms	206
Heterogen Atoms

Software

Software
Software Name	Purpose
CrystalClear	data collection
SOLVE	phasing
RESOLVE	model building
REFMAC	refinement
d*TREK	data reduction
d*TREK	data scaling
RESOLVE	phasing