7QA4

Crystal structure of stabilized H3N2 A/Hong Kong/1/1968 Hemagglutinin at 2.2 Angstrom

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION		293	20.00 %w/v PEG 3350, 0.2 M LiNO3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 154.094	α = 90
b = 154.094	β = 90
c = 154.094	γ = 90

Symmetry
Space Group	I 21 3

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 EIGER X 16M		2021-01-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	0.999924	SLS	X10SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	2.192	108.96	100	0.085	0.085	24.9	25.6		31315

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.192	108.96	100		2.977	2.977	1.3	26.2

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	none	2.19	108.96	29737	1577	100	0.201	0.1984	0.2506	RANDOM	66.571

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	33.109
r_dihedral_angle_4_deg	16.727
r_dihedral_angle_3_deg	14.095
r_dihedral_angle_1_deg	7.022
r_angle_refined_deg	1.411
r_angle_other_deg	1.172
r_chiral_restr	0.056
r_bond_refined_d	0.004
r_gen_planes_refined	0.004
r_bond_other_d	0.002

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.109
r_dihedral_angle_4_deg	16.727
r_dihedral_angle_3_deg	14.095
r_dihedral_angle_1_deg	7.022
r_angle_refined_deg	1.411
r_angle_other_deg	1.172
r_chiral_restr	0.056
r_bond_refined_d	0.004
r_gen_planes_refined	0.004
r_bond_other_d	0.002
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3838
Nucleic Acid Atoms
Solvent Atoms	134
Heterogen Atoms	169

Software

Software
Software Name	Purpose
XDS	data reduction
XSCALE	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
PHASER	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.