3L25

Crystal structure of Zaire Ebola VP35 interferon inhibitory domain bound to 8 bp dsRNA

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3FKE	PDB ENTRY 3FKE

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.2	293	3M SODIUM FORMATE, 0.1M SODIUM CITRATE, 5% GLYCEROL, pH 5.2, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.41	48.91

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.947	α = 90
b = 84.571	β = 90
c = 89.316	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	ADSC QUANTUM 315r		2009-03-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.979	APS	19-ID

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	2	50	100	0.121	15.9	4.8	41135	41135

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)
	2	2.03	100		0.758	2.2	4.7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 3FKE	2	44.68	39012	39012	2038	99.7	0.17129	0.17129	0.16938	0.20744	RANDOM	17.138

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.192
r_dihedral_angle_4_deg	18.88
r_dihedral_angle_3_deg	13.732
r_dihedral_angle_1_deg	4.773
r_scangle_it	2.474
r_scbond_it	1.577
r_angle_other_deg	1.241
r_angle_refined_deg	1.226
r_mcangle_it	0.875
r_mcbond_it	0.471
r_symmetry_vdw_other	0.299
r_nbtor_refined	0.297
r_symmetry_vdw_refined	0.211
r_nbd_other	0.204
r_nbd_refined	0.191
r_symmetry_hbond_refined	0.142
r_xyhbond_nbd_refined	0.136
r_metal_ion_refined	0.097
r_chiral_restr	0.078
r_nbtor_other	0.069
r_bond_refined_d	0.011
r_gen_planes_refined	0.005
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3862
Nucleic Acid Atoms	336
Solvent Atoms	335
Heterogen Atoms	94

Software

Software
Software Name	Purpose
HKL-3000	data collection
PHASER	phasing
REFMAC	refinement
HKL-3000	data reduction
SCALEPACK	data scaling