5TFN

CRYSTAL STRUCTURE OF THE ZIKA VIRUS NS2B-NS3 PROTEASE in super-open conformation

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	293	0.6 mM protein, in 100 mM NaCl, 1.0 mM TCEP, 20 mM Tris-Cl buffer (pH 8.0) was mixed with the well solution (25% PEG3330, 200 mM NaCl and 100 mM BisTris pH 6.5)

Crystal Properties
Matthews coefficient	Solvent content
1.85	33.48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.956	α = 90
b = 54.956	β = 90
c = 250.108	γ = 90

Symmetry
Space Group	P 41 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS PILATUS3 6M		2016-07-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.97946	SSRL	BL9-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	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	3	38.4	99.8	0.137	0.998	11.6	8.1		8410

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	3	3.18	100		1.68	0.71	1.1	8.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2IJO	3	38.4	7918	436	99.69	0.21293	0.2103	0.25931	RANDOM	111.109

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]
2.85			2.85		-5.71

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.189
r_dihedral_angle_3_deg	20.08
r_dihedral_angle_4_deg	16.37
r_long_range_B_refined	14.424
r_long_range_B_other	14.423
r_mcangle_it	8.464
r_mcangle_other	8.463
r_scangle_other	8.182
r_dihedral_angle_1_deg	6.745
r_mcbond_it	5.207
r_mcbond_other	5.206
r_scbond_it	4.957
r_scbond_other	4.955
r_angle_refined_deg	1.884
r_angle_other_deg	1.373
r_chiral_restr	0.114
r_bond_refined_d	0.015
r_gen_planes_refined	0.009
r_bond_other_d	0.007
r_gen_planes_other	0.005
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2469
Nucleic Acid Atoms
Solvent Atoms	6
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing