6D7C

The crystal structure of hemagglutinin from A/Hong Kong/61/2016 H7N9 influenza virus

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4LN6

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH		293	0.2 M Magnesium Chloride, 0.1M HEPES:NaOH, pH7.5, 25% PEG 3350

Crystal Properties
Matthews coefficient	Solvent content
2.57	52.23

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 210.014	α = 90
b = 97.527	β = 108.58
c = 191.809	γ = 90

Symmetry
Space Group	C 1 2 1

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	MARMOSAIC 225 mm CCD		2017-08-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-BM	1.0	APS	22-BM

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	2.95	50	93.1	6.43	3.1		68692

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	2.95	3.06

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	4LN6	2.95	50	68692	3659	93.14	0.23783	0.2363	0.26703	RANDOM	66.234

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]
0.62		0.98	-4.06		2.27

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.648
r_dihedral_angle_3_deg	20.011
r_dihedral_angle_4_deg	14.856
r_dihedral_angle_1_deg	7.598
r_long_range_B_refined	6.253
r_long_range_B_other	6.253
r_mcangle_it	4.151
r_mcangle_other	4.151
r_scangle_other	4.142
r_mcbond_it	2.514
r_mcbond_other	2.514
r_scbond_it	2.498
r_scbond_other	2.498
r_angle_refined_deg	1.896
r_angle_other_deg	1.067
r_chiral_restr	0.102
r_bond_refined_d	0.015
r_gen_planes_refined	0.007
r_bond_other_d	0.002
r_gen_planes_other	0.002
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	22800
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	140

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing