4WEG

influenza virus neuraminidase N9 in complex 2,3-difluorosialic acid

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.7	293	1.7M potassium phosphate

Crystal Properties
Matthews coefficient	Solvent content
2.83	56.61

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 181.194	α = 90
b = 181.194	β = 90
c = 181.194	γ = 90

Symmetry
Space Group	I 4 3 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	CCD	ADSC QUANTUM 210		2014-04-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	AUSTRALIAN SYNCHROTRON BEAMLINE MX1	0.95369	Australian Synchrotron	MX1

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	2.1	42.71	99.2	0.308	10.2	73.5		28106		1

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	2.1	2.2	99.5		0.98	1.3	34.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	2.1	42.71	28106	1505	99.19	0.14568	0.14275	0.20137	RANDOM	32.494

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	33.833
r_dihedral_angle_4_deg	17.208
r_dihedral_angle_3_deg	14.188
r_dihedral_angle_1_deg	7.792
r_long_range_B_refined	6.424
r_scbond_it	3.486
r_mcangle_it	2.722
r_mcbond_it	2.121
r_angle_refined_deg	1.987
r_chiral_restr	0.137
r_bond_refined_d	0.018
r_gen_planes_refined	0.01
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
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_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3067
Nucleic Acid Atoms
Solvent Atoms	426
Heterogen Atoms	201

Software

Software
Software Name	Purpose
REFMAC	refinement
Blu-Ice	data collection
HKL-2000	data processing
PHASER	phasing
PDB_EXTRACT	data extraction
HKL	data scaling