Experiment: 4H53

Influenza N2-Tyr406Asp neuraminidase in complex with beta-Neu5Ac

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	291	0.1M MES monohydrate pH 6.0, 14% w/v Polyethylene glycol 4000, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.31	46.68

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 83.217	α = 90
b = 114.831	β = 99.71
c = 84.259	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	93	CCD	ADSC QUANTUM 315r		2012-04-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL17U	1.000	SSRF	BL17U

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	1.5	50	99.9				248232		-3

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	1.5	1.55	99.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	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	3TIA	1.5	39.051	1.34	248190	248190	12469	99.85	0.1613	0.1411	0.14	0.137	0.1613	0.1582	RANDOM	12.3543

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]
1.3941		-2.2457	-1.759		0.3649

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	22.83
f_angle_d	1.366
f_chiral_restr	0.141
f_bond_d	0.007
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	12052
Nucleic Acid Atoms
Solvent Atoms	2186
Heterogen Atoms	565

Software

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